Games like Commander Keen
Games like Commander Keen include Sonic Mania, Shovel Knight: Treasure Trove, Half-Life, Sonic Adventure DX, and Sonic Origins. We matched them by the tags players give Commander Keen on Steam (Platformer, Classic, 1990's, 2D, and Retro): closest matches first, and among equally close ones the better-known games.
Sonic Mania
Shared: Platformer · 2D · Classic
Shovel Knight: Treasure Trove
Shared: Platformer · Retro · 2D
Half-Life
Shared: Classic · 1990's · Singleplayer
Sonic Adventure DX
Shared: Platformer · Classic · Action
Sonic Origins
Shared: Platformer · Action · Retro
DOOM + DOOM II
Shared: Classic · 1990's · Retro
DuckTales: Remastered
Shared: Platformer · Classic · Retro
Flashback
Shared: Platformer · 1990's · Action
Tomb Raider I (1996)
Shared: Classic · Action · Platformer
Bloodstained: Curse of the Moon
Shared: Platformer · Action · Retro
Sonic Adventure 2
Shared: Platformer · Action · Classic
Oddworld: Abe's Oddysee®
Shared: Platformer · Classic · 2D
SANABI
Shared: Action · 2D · Platformer
Mega Man 11
Shared: Platformer · Classic · Action
Crash Bandicoot™ N. Sane Trilogy
Shared: Platformer · Classic · Singleplayer
Half-Life: Opposing Force
Shared: Classic · Action · 1990's
Quake
Shared: Classic · 1990's · Action
Castlevania Anniversary Collection
Shared: Classic · Platformer · Action
Contra Anniversary Collection
Shared: Classic · Platformer · Action
Half-Life 2
Shared: Classic · Action · Sci-fi
Broforce
Shared: Platformer · Action · 2D
Out There Somewhere
Shared: Platformer · 2D · Retro
METAL SLUG 3
Shared: Classic · Action · Retro
The Messenger
Shared: Platformer · Retro · 2D