Complex sentence: Both games were co-developed with Liverpool based developer Magenta Software, in "RoboJam" Magenta Software made twenty out of the twenty six mini-games, whereas in "Monster Rumble" FreeStyleGames made twenty out of twenty six.
Split into simpler sentences: Both games were co-developed with Liverpool based developer Magenta Software. While in "Monster Rumble", FreeStyleGames made twenty out of twenty six.