Games like Orbit
Games like Orbit include Broforce, Pixel Gun 3D: PC Edition, Duck Game, Sonic Mania, and Terraria. We matched them by the tags players give Orbit on Steam (Early Access, Procedural Generation, Platformer, Multiplayer, and Character Customization): closest matches first, and among equally close ones the better-known games.
Broforce
Shared: Action · Platformer · Pixel Graphics
Pixel Gun 3D: PC Edition
Shared: Multiplayer · PvP · Pixel Graphics
Duck Game
Shared: Multiplayer · Platformer · Action
Sonic Mania
Shared: Platformer · 2D · Pixel Graphics
Terraria
Shared: Multiplayer · Pixel Graphics · 2D
ShellShock Live
Shared: Multiplayer · Action · Early Access
Rivals of Aether
Shared: Multiplayer · Pixel Graphics · Platformer
Shovel Knight: Treasure Trove
Shared: Platformer · Pixel Graphics · Action
skate.
Shared: Multiplayer · Character Customization · Action
PEAK
Shared: Multiplayer · Procedural Generation · Character Customization
NARAKA: BLADEPOINT
Shared: Multiplayer · PvP · Character Customization
Superfighters Deluxe
Shared: Multiplayer · Action · Pixel Graphics
King Arthur's Gold
Shared: Multiplayer · Action · Pixel Graphics
WARDOGS
Shared: Multiplayer · Action · PvP
Awesomenauts
Shared: Multiplayer · Platformer · Action
Katana ZERO
Shared: Platformer · Action · Pixel Graphics
PUBG: BATTLEGROUNDS
Shared: Multiplayer · PvP · Action
Stick Fight: The Game
Shared: Multiplayer · Action · PvP
BlazBlue Entropy Effect
Shared: Platformer · Action · 2D
Brawlhalla
Shared: Multiplayer · Platformer · Action
SpeedRunners
Shared: Multiplayer · Platformer · Action
Cuphead
Shared: Platformer · Multiplayer · 2D
KurtzPel
Shared: Multiplayer · Character Customization · PvP
Move or Die
Shared: Multiplayer · Action · Platformer