Tryx Ventures Corp. - Exhibit 10.21






UNWIND AGREEMENT

THIS AGREEMENT dated as of the 21st day of October, 2005.

BETWEEN:

ATLAS ENERGY CORP., a Nevada
corporation having offices at 3273 E. Warm Springs Road, Las Vegas, Nevada, USA
89120

(“Atlas”) 

AND:

TRYX VENTURES CORP., a Nevada
corporation having offices at #314 - 837 West Hastings Street Vancouver, British
Columbia, Canada V6C 3N6

(“Tryx”)

WHEREAS:

A. Atlas and Tryx entered into an Investment, Cost and Revenue
Participation Agreement dated March 7, 2005 (the “Participation
Agreement”), whereby Atlas agreed to transfer, sell and assign to Tryx and
Tryx agreed to purchase from Atlas all of Atlas’ assets and beneficial interest,
rights and obligations in and to certain assets, interests in certain oil and
gas leases and other contracts and agreements that Atlas had obtained pursuant
to a Purchase and Sale Agreement dated March 1, 2004; and

B. Atlas and Tryx wish to terminate the Participation
Agreement, effective immediately upon the closing of this Agreement.

NOW THEREFORE in consideration of the premises and of the
covenants, terms and conditions hereinafter set forth, the receipt and
sufficiency of which is acknowledged and accepted, the parties do hereby
covenant and agree as follows:

	1. 	Termination
	 	 	 
		(a)	
      The Participation Agreement is terminated effective as of
      the date first set forth above.

	 	 	 
	 	(b) 	
      Atlas hereby takes immediate assignment of all rights,
      title, interests, revenue accruals, debt accruals, obligations and duties
      whether paid or unpaid that have accrued to or have been/may be imposed on
      Tryx pursuant to the Participation Agreement.




	2.		 Releases
	 	 	 
	 	(a) 	
      Atlas, and its successors and assigns, returns to Tryx
      all amounts of the purchase price under the Participation Agreement that
      was paid by Tryx to Atlas, including 2,000,000 shares of the common stock
      of Tryx, and does remise, release and forever discharge Tryx, its
      directors, officers, shareholders, employees and agents, and its
      successors and assigns, of and from all claims, causes of action, suits
      and demands whatsoever which







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      either of the parties ever had, now has or may have
      howsoever arising out of the Participation Agreement.

		 	 
		(b) 	
      Tryx and its successors and assigns, returns to Atlas any
      and all revenue that flowed to Tryx from all rights, title, obligations
      and interests conveyed in any manner to Tryx from Atlas under the
      Participation Agreement and does remise, release and forever discharge
      Atlas, its directors, officers, shareholders, employees and agents, and
      its respective successors and assigns, of and from all claims, causes of
      action, suits and demands whatsoever which either of the parties ever had,
      now has or may have howsoever arising out of the Participation
      Agreement.



3. Conditions

The closing of this Agreement will occur contemporaneously with
the closing of the Share Exchange Agreement dated July 29, 2004, among Tryx,
Ignition Technologies, Inc., Adam Jason Morand and the former shareholders of
Ignition Technologies, Inc.

4. All Further Acts

The parties will execute and deliver all such further
documents, do or cause to be done all such further acts and things, and give all
such further assurances as may be necessary to give full effect to the
provisions and intent of this Agreement.

5. Entire Agreement

This Agreement represents the entire agreement between the
parties and there are no representations, warranties, collateral agreements, or
conditions except as herein specified. Except as herein otherwise provided, no
subsequent alteration, amendment, change, or addition to this Agreement will be
binding upon the parties hereto unless reduced to writing and signed by the
parties.

6. Counterparts

This Agreement may be executed in several counterparts, each of
which will be deemed to be an original and all of which will together constitute
one and the same instrument.

7. Electronic Means

Delivery of an executed copy of this Agreement by electronic
facsimile transmission or other means of electronic communication capable of
producing a printed copy will be deemed to be execution and delivery of this
Agreement as of the date first set forth above.

8. Proper Law

This Agreement will be governed by and construed in accordance
with the law of British Columbia.




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IN WITNESS WHEREOF the parties hereto have executed this
Agreement as of the date first set forth above.

	ATLAS ENERGY CORP. 
	 	 
	Per: 	/s/ Stuart McPherson 
	  	Authorized Signatory 
	 
	TRYX VENTURES CORP. 
	 	 
	Per: 	/s/ Alessandra Bordon 
	  	Authorized Signatory