Games like Secret Agent
Games like Secret Agent include Sonic Mania, Commander Keen, DOOM + DOOM II, Sonic Adventure DX, and Contra Anniversary Collection. We matched them by the tags players give Secret Agent on Steam (Action, Platformer, Classic, 2D, and 1990's): closest matches first, and among equally close ones the better-known games.
Sonic Mania
Shared: Platformer · 2D · Classic
Commander Keen
Shared: Platformer · Classic · Action
DOOM + DOOM II
Shared: Classic · Action · 1990's
Sonic Adventure DX
Shared: Platformer · Classic · Action
Contra Anniversary Collection
Shared: Action · 2D · Classic
Sonic Origins
Shared: Action · Platformer · Retro
Broforce
Shared: Action · 2D · Platformer
Half-Life
Shared: Classic · 1990's · Action
METAL SLUG 3
Shared: Action · Classic · Retro
DuckTales: Remastered
Shared: Platformer · Action · Classic
Shovel Knight: Treasure Trove
Shared: Platformer · Retro · Action
Oddworld: Abe's Oddysee®
Shared: Platformer · Classic · 2D
DOOM 64
Shared: Action · Classic · 1990's
Castlevania Anniversary Collection
Shared: Action · Classic · Platformer
Sonic Adventure 2
Shared: Action · Platformer · Classic
Disney Classic Games: Aladdin and The Lion King
Shared: Action · Platformer · Classic
The Messenger
Shared: Platformer · Retro · 2D
Tomb Raider I (1996)
Shared: Action · Classic · Platformer
Mega Man 11
Shared: Action · Platformer · Classic
Freedom Planet
Shared: Platformer · Action · 2D
METAL SLUG
Shared: Action · 2D · Classic
Flashback
Shared: Action · Platformer · 1990's
Bloodstained: Curse of the Moon
Shared: Action · Platformer · 2D
Quake
Shared: Action · Classic · 1990's