Multiplayer side scroller games for PC/Windows with 2-player online support
Deadswitch 3
Players: 0 local, 5 online
Strike Force Heroes
Players: 0 local, 4 online
CounterAttack: Uprising
Players: 4 local, 8 online
Warhammer 40,000: Shootas, Blood & Teef
Players: 4 local, 4 online
Whisper Trip
Players: 0 local, 2 online
Capelord: Bounty Hunters
Players: 0 local, 4 online
Super Cyborg
Players: 2 local, 2 online
Uber Destruction
Players: 2 local, 2 online
Metal Slug: Awakening
Players: 0 local, 3 online