<PAGE>

                                                                  Exhibit 10.13


                   MODIFICATION AGREEMENT AND WAIVER OF DEFAULTS

     THIS MODIFICATION AGREEMENT AND WAIVER OF DEFAULTS (this "Agreement") 
dated as of March 10, 1999 is made by and between Cinema Ride, Inc. 
("Lessee") and FINOVA Capital Corporation, a Delaware Corporation, as 
Successor in interest to FINOVA TECHNOLOGY FINANCE INC. ("Lessor").

     WHEREAS, Lessee and Lessor have entered into that certain Master 
Equipment Lease designated no. S619001 dated as of December 12, 1996 and 
Rental Schedule No. 1 dated as of December 26, 1996 (the "Lease").  The 
Lease, together with all other agreements, instruments and other documents 
executed or otherwise delivered in connection therewith are defined herein as 
the "Lease Documents"; and

     WHEREAS, Lessee has defaulted in its obligations to Lessor by failing to 
pay to Lessor the payments which were due for January 1999, February 1999 and 
March 1999 (the "Defaults") and Lessee has requested that Lessor modify the 
Lease and waive the Defaults, and Lessor has agreed to modify the Lease and 
waive the Defaults on the conditions set forth below.

     NOW THEREFORE, in consideration of the foregoing, the parties agree as 
follows:

     1.   ESTOPPEL WITH RESPECT TO OUTSTANDING INDEBTEDNESS.  Lessee hereby 
acknowledges, confirms and agrees that through and including the date of this 
Agreement, the following amounts are due and owing to Lessor pursuant to the 
Lease: underlying unpaid obligation in the amount of $1,285,537 50, open 
delinquent payments due on January 1, 1999, February 1, 1999 and March 1, 
1999 in the aggregate amount of $122,710.35 (collectively, tile "Delinquent 
Amounts") and Lessee acknowledges that Lessee's failure to have paid tile 
Delinquent Amounts constitutes an Event of Default under the Lease.  Lessee 
hereby acknowledges, confirms and agrees that as of the date hereof, the 
Lease Documents are in full force and effect and represent the valid, legal 
and binding obligations of Lessee to Lessor.

     2.   MODIFICATION OF LEASE AND WAIVER OF DEFAULT. Subject to the 
satisfaction of the conditions precedent contained in Section 3 herein, 
Lessor hereby waives the Defaults referred to above.  Furthermore, subject to 
the satisfaction of the conditions precedent contained in Section 3 herein, 
the Lease shall be modified to provide that as of January 1, 1999, the 
monthly rental payments shall be reduced to $21,788.77 (exclusive of 
applicable taxes) according to the amortization schedule attached hereto and 
incorporated by reference herein as Exhibit "A." A final balloon payment 
shall be due to Lessor on January 1, 2004 in the amount of $157,502.69. 
Lessee acknowledges that except to the extent expressly modified in this 
Agreement, all provisions of the Lease Documents are and shall remain and be 
in full force and effect as to any and all actions and transactions entered 
into by or on behalf of Lessee at any time on or prior to the date hereof, or 
at any time subsequent to the date hereof. Lessee further acknowledges that 
Lessor reserves its rights to declare defaults other than the Defaults 
referred to above to the extent Lessee defaults under the terms of this 
Agreement or the Lease.


                                       1

<PAGE>

     3.   CONDITIONS PRECEDENT TO WAIVER.  The agreement to modify the Lease 
and waive Defaults contained herein is subject to the satisfaction, in 
Lessor's sole and absolute discretion, of the following conditions precedent:

          a.   Lessee shall pay to Lessor all fees, costs and expenses 
incurred by Lessor in connection with this Agreement on or before the 
execution of this Agreement;

          b.   Lessee shall pay to Lessor on or before March 31, 1999 the 
modified payments in the amount of $21,788.77 each of which is due under the 
Lease on January 1, 1999, February 1, 1999 and March 1, 1999 in the aggregate 
amount of $63,366.31.

          c.   Lessee shall sign all documents and financing statements 
reasonably required by Lessor to perfect Lessor's security interests in tile 
equipment subject to the Lease resulting from Lessee's relocation of same.

     4.   AFFIRMATIONS.  Lessee hereby unconditionally and irrevocably 
confirms, reaffirms, ratifies and agrees that all of Lessee's obligations and 
liabilities to Lessor remain in full force and effect as the legally binding 
and enforceable obligations and liabilities of Lessee.

     5.   WAIVER OF CLAIMS.  Lessee irrevocably acknowledges, agrees and 
affirms that it possesses no claims, defenses, offsets, recoupment or 
counterclaims of any kind or nature against or with respect to the 
enforcement of this Agreement or any of the Lease Documents (collectively, 
the "Claims") nor does Lessee now have knowledge of any facts that would or 
might give rise to any Claims.  If facts now exist which would or could give 
rise to any Claim against or with respect to the enforcement of this 
Agreement and/or any of the Lease Documents, Lessee hereby unconditionally, 
irrevocably and unequivocally waives and fully releases any and all such 
Claims as if such Claims were the subject of a lawsuit, adjudicated to final 
judgment from which no appeal could be taken, and therein dismissed with 
prejudice.  Lessee irrevocably acknowledges, agrees and affirms that Lessor's 
waiver does not create nor shall be deemed to create any reliance or 
expectation on the part of Lessee, or any course of dealing between Lessor 
and Lessee, pursuant to which Lessor would be obligated to continue to waive 
defaults under the Lease Documents other than the Defaults, except as 
expressly set forth in this Agreement.

     6.   COUNTERPARTS/FACSIMILE COPIES.  This Agreement may be executed in 
counterparts, each of which shall constitute an original hereof and all of 
which together shall constitute one Agreement.  The parties to this Agreement 
hereby agree that an executed facsimile of this Agreement shall constitute a 
legally binding original copy.

     7.   MISCELLANEOUS.

          a.   The recitals set forth above are material, are incorporated 
herein by this reference and shall be construed consistent with such recitals.

          b.   This Agreement constitutes the entire agreement of the parties 
concerning the subject matter hereof and it shall not be modified or amended 
except by written consent of the parties.


                                       2

<PAGE>

          c.   This Agreement shall be governed by and interpreted in 
accordance with the laws of the State of Connecticut.

     IN WITNESS WHEREOF the parties hereto have signed this Agreement or have 
caused this Agreement to be signed on their respective behalves by their duly 
authorized officers, as applicable, all as of the date and year first above 
written.

                              CINEMA RIDE, INC.

                              By: /s/ Mitch Francis        
                                  -------------------------
                              Name:     Mitch Francis      
                                   ------------------------
                              Its: President               
                                   ------------------------


                              FINOVA CAPITAL CORPORATION, as successor in
                              interest to FINOVA TECHNOLOGY FINANCE, INC.

                              By:  /s/ Pamela Merchant     
                                   ------------------------
                              Name:     Pamela Merchant    
                                   ------------------------
                              Its: Vice President          
                                   ------------------------



                                       3

<PAGE>
<TABLE>
<CAPTION>
                                                           Receivable                      unearned
                                 pmt         Balloon        Balance           Int          balance          prin           bal
-----------------------------------------------------------------------------------------------------------------------------------
<S>       <C>     <C>           <C>          <C>            <C>              <C>           <C>             <C>         <C>        
                   1/1/97                                    1,963,365.60                   545,842.55                  1,575,026.88

    1             2/1/97        81,806.90                   1,881,558.70                   545,841.41      81,806.90   1,493,219.98

    2             3/1/97        40,903.45                   1,840,655.25     19,456.38     526,386.17      21,447.07   1,471,772.91

    3             4/1/97        40,903.45                   1,799,751.80     19,176.92     507,209.25      21,726.53   1,450,046.38

    4             5/1/97        40,903.45                   1,758,848.35     18,893.83     488,315.42      22,009.62   1,428,036.76

    5             6/1/97        40,903.45                   1,717,944.90     18,607.05     469,708.37      22,296.40   1,405,740.36

    6             7/1/97        40,903.45                   1,677,041.45     18,316.53     451,391.83      22,586.92   1,383,153.45

    7             8/1/97        40,903.45                   1,636,138.00     18,022.23     433,369.60      22,881.22   1,360,272.23

    8             9/1/97        40,903.45                   1,595,234.55     17,724.09     415,645.51      23,179.36   1,337,092.87

    9             10/1/97       40,903.45                   1,554,331.10     17,422.07     398,223.44      23,481.38   1,313,611.49

    10            11/1/97       40,903.45                   1,513,427.65     17,116.11     381,107.33      23,787.34   1,289,824.15

    11            12/1/97       40,903.45                   1,472,524.20     16,806.17     364,301.17      24,097.28   1,265,726.87

    12            1/1/98        40,903.45                   1,431,620.75     16,492.18     347,808.98      24,411.27   1,241,315.60

    13            2/1/98        40,903.45                   1,390,717.30     16,174.11     331,634.87      24,729.34   1,216,586.26

    14            3/1/98        40,903.45                   1,349,813.85     15,851.89     315,782.98      25,051.56   1,191,534.70

    15            4/1/98        40,903.45                   1,308,910.40     15,525.47     300,257.51      25,377.98   1,166,156.72

    16            5/1/98        40,903.45                   1,268,006.95     15,194.80     285,062.70      25,708.65   1,140,448.08

    17            6/1/98        40,903.45                   1,227,103.50     14,859.82     270,202.88      26,043.63   1,114,404.45

    18            7/1/98        40,903.45                   1,186,200.05     14,520.48     255,682.40      26,382.97   1,088,021.48

    19            8/1/98        40,903.45                   1,145,296.60     14,176.72     241,505.68      26,726.73   1,061,294.75

    20            9/1/98        40,903.45                   1,104,393.15     13,828.47     227,677.21      27,074.98   1,034,219.77

    21            10/1/98       40,903.45                   1,063,489.70     13,475.69     214.201.52      27,427.76   1,006,792.01

    22            11/1/98       40,903.45                   1,022,586.25     13,118.31     201,083.21      27,785.14     979,006.87

    23            12/1/98       40,903.45                   1,307,326.28     13,572.11     588,289.62      27,331.34     951,675.53

    24      1     1/1/99        21,788.77                   1,285,537.50     13,193.22     499,960.22       8,595.55     943,079.98

    25      2     2/1/99        21,788.77                   1,263,748.73     13,074.06     486,886.16       8,714.72     934,365.26

    26      3     3/1/99        21,788.77                   1,241,959.96     12,953.24     473,932.92       8,835.53     925,529.73

    27      4     4/1/99        21,788.77                   1,220,171.19     12,830.75     461,102.17       8,958.02     916,571.72

    28      5     5/1/99        21,788.77                   1,198,382.42     12,706.57     448,395.60       9,082.20     907,489.51

    29      6     6/1/99        21,788.77                   1,176,593.65     12,580.66     435,814.94       9,208.11     898,281.40

    30      7     7/1/99        21,788.77                   1,154,804.88     12,453.01     423,361.93       9,335.77     888,945.63

    31      8     8/1/99        21,788.77                   1,133,016.11     12,323.58     411,038.35       9,465.19     879,480.45

    32      9     9/1/99        21,788.77                   1,111,227.33     12,192.37     398,845.99       9,596.41     869,884.04

    33     10     10/1/99       21,788.77                   1,089,438.56     12,059.33     386,786.66       9,729.44     860,154.60

    34     11     11/1/99       21,788.77                   1,067,649.79     11,924.45     374,862.21       9,864.32     850,290.28

    35     12     12/1/99       21,788.77                   1,045,861.02     11,787.70     363,074.51      10,001.07     840,289.20

    36     13     1/1/00        21,788.77                   1,024,072.25     11,649.05     351,425.46      10,139.72     830,149.48

    37     14     2/1/00        21,788.77                   1,002,283.48     11,508.48     339,916.98      10,280.29     819,869.19

    38     15     3/1/00        21,788.77                     980,494.71     11,365.97     328,551.01      10,422.81     809,446.39

    39     16     4/1/00        21,788.77                     958,705.94     11,221.47     317,329.54      10,567.30     798,879.09
</TABLE>
                                       4

<PAGE>
<TABLE>
<CAPTION>
                                                           Receivable                      unearned
                                 pmt         Balloon        Balance           Int          balance          prin           bal
-----------------------------------------------------------------------------------------------------------------------------------
<S>       <C>     <C>           <C>          <C>            <C>              <C>           <C>             <C>         <C>        
    40     17     5/1/00        21,788.77                     936,917.16     11,074.98     306,254.56      10,713.79     788,165.30

    41     18     6/1/00        21,788.77                     915,128.39     10,926.45     295,328.11      10,862.32     777,302.98

    42     19     7/1/00        21,788.77                     893,339.62     10,775.86     284,552.24      11,012.91     766,290.07

    43     20     8/1/00        21,788.77                     871,550.85     10,623.19     273,929.05      11,165.58     755,124.49

    44     21     9/1/00        21,788.77                     849,762.08     10,468.40     263,460.65      11,320.37     743,804.12

    45     22     10/1/00       21,788.77                     827,973.31     10,311.46     253,149.19      11,477.31     732,326.81

    46     23     11/1/00       21,788.77                     806,184.54     10,152.35     242,996.83      11,636.42     720,690.39

    47     24     12/1/00       21,788.77                     784,395.77      9,991.04     233,005.80      11,797.74     708,892.66

    48     25     1/1/01        21,788.77                     762,606.99      9,827.48     223,178.32      11,961.29     696,931.37

    49     26     2/1/01        21,788.77                     740,818.22      9,661.66     213,516.66      12,127.11     684,804.26

    50     27     3/1/01        21,788.77                     719,029.45       9493.54     204,023.11      12,295.23     672,509.03

    51     28     4/1/01        21,788.77                     697,240.68      9,323.09     194,700.02      12,465.68     660,043.35

    52     29     5/1/01        21,788.77                     675,451.91      9,150.28     185,549.75      12,638.49     647,404.85

    53     30     6/1/01        21,788.77                     653,663.14      8,975.07     176,574.68      12,813.70     634,591.15

    54     31     7/1/01        21,788.77                     631,874.37      8,797.43     167,777.25      12,991.34     621,599.81

    55     32     8/1/01        21,788.77                     610,085.60      8,617.33     159,159.92      13,171.44     608,428.37

    56     33     9/1/01        21,788.77                     588,296.82      8,434.73     150,725.19      13,354.04     595,074.33

    57     34     10/1/01       21,788.77                     566,508.05      8,249.60     142,475.59      13,539.17     581,535.16

    58     35     11/1/01       21,788.77                     544,719.28      8,061.91     134,413.68      13,726.86     567,808.29

    59     36     12/1/01       21,788.77                     522,930.51      7,871.61     126,542.07      13,917.16     553,891.13

    60     37     1/1/02        21,788.77                     501,141.74      7,678.67     118,863.40      14,110.10     539,781.03

    61     38     2/1/02        21,788.77                     479,352.97      7,483.06     111,380.34      14,305.71     525,475.32

    62     39     3/1/02        21,788.77                     457,564.20      7,284.74     104,095.59      14,504.03     510,971.29

    63     40     4/1/02        21,788.77                     435,775.43      7.083.67      97,011.92      14,705.10     496,266.19

    64     41     5/1/02        21,788.77                     413,986.65      6,879.81      90,132.11      14,908.96     481,357.23

    65     42     6/1/02        21,788.77                     392,197.88      6,673.13      83,458.99      15,115.65     466,241.59

    66     43     7/1/02        21,788.77                     370,409.11      6,463.58      76,995.41      15,325.20     450,916.39

    67     44     8/1/02        21,788.77                     348,620.34      6,251.12      70,744.29      15,537.65     435,378.74

    68     45     9/1/02        21,788.77                     326,831.57      6,035.72      64,708.58      15,753.05     419,625.69

    69     46     10/1/02       21,788.77                     305,042.80      5,817.33      58,891.24      15,971.44     403,654.25

    70     47     11/1/02       21,788.77                     283,254.03      5,595.92      53,295.33      16,192.85     387,461.39

    71     48     12/1/02       21,788.77                     261,465.26      5,371.43      47,923.89      16,417.34     371,044.05

    72     49     1/1/03        21,788.77                     239,676.48      5,143.84      42,780.05      16,644.93     354,399.12

    73     50     2/1/03        21,788.77                     217,887.71      4,913.09      37,866.97      16,875.68     337,523.44

    74     51     3/1/03        21,788.77                     196,098.94      4,679.14      33,187.83      17,109.63     320.413.80

    75     52     4/1/03        21,788.77                     174,310.17      4,441.94      28,745.89      17,346.83     303,066.97

    76     53     5/1/03        21,788.77                     152,521.40      4,201.46      24,544.43      17,587.31     285,479.66

    77     54     6/1/03        21,788.77                     130,732.63      3,957.65      20,586.78      17,831.13     267,648.54

    78     55     7/1/03        21,788.77                     108,943.86      3,710.45      16,876.33      18,078.32     249,570.22

    79     56     8/1/03        21,788.77                      87,155.09      3,459.83      13.416.50      18,328.94     231,241.28
</TABLE>
                                       5

<PAGE>
<TABLE>
<CAPTION>
                                                           Receivable                      unearned
                                 pmt         Balloon        Balance           Int          balance          prin           bal
-----------------------------------------------------------------------------------------------------------------------------------
<S>       <C>     <C>           <C>          <C>            <C>              <C>           <C>             <C>         <C>        

    80     57     9/1/03        21,788.77                      65,366.31      3,205.73      10,210.77      18,583.04     212,658.24

    81     58     10/1/03       21,788.77                      43,577.54      2,948.11       7,262.66      18,840.66     193,817.58

    82     59     11/1/03       21,788.77                      21,788.77      2,686.92       4,575.74      19,101.85     174,715.73

    83     60     12/1/03       21,788.77                              -      2,422.11       2,153.63      19,366.66     155,349.07

    84             1/1/04                    157,502.69                -      2,153.63         (0.00)     155,349.07          (0.00)

</TABLE>
                                       6