Games like Stick Infinite Kingdom
Games like Stick Infinite Kingdom include Age of Darkness: Final Stand, Thronefall, Kingdom Rush 6: Genesis TD, Age of Mythology: Retold, and Warhammer Age of Sigmar: Realms of Ruin. We matched them by the tags players give Stick Infinite Kingdom on Steam (Strategy, Action RTS, Tower Defense, RTS, and 3D): closest matches first, and among equally close ones the better-known games.

Age of Darkness: Final Stand
Shared: Action RTS · Tower Defense · Strategy

Thronefall
Shared: Strategy · Tower Defense · Action RTS

Kingdom Rush 6: Genesis TD
Shared: Strategy · Tower Defense · Action

Age of Mythology: Retold
Shared: Strategy · RTS · 3D

Warhammer Age of Sigmar: Realms of Ruin
Shared: Strategy · Action RTS · RTS

Orcs Must Die!
Shared: Strategy · Tower Defense · Action

Kingdom Rush - Tower Defense
Shared: Strategy · Tower Defense · Action

Orcs Must Die! 3
Shared: Strategy · Tower Defense · Action

Total War: WARHAMMER III
Shared: Strategy · RTS · Fantasy

Total War: WARHAMMER II
Shared: Strategy · RTS · Fantasy

Bloons TD 6
Shared: Strategy · Tower Defense · 3D

Broken Arrow
Shared: Strategy · RTS · Action RTS

GemCraft - Frostborn Wrath
Shared: Tower Defense · Strategy · RTS

Tempest Rising
Shared: Strategy · RTS · 3D

Bee Island
Shared: Strategy · Tower Defense · Action RTS

Orcs Must Die! 2
Shared: Tower Defense · Strategy · Action

Cossacks 3
Shared: Strategy · RTS · Action RTS

Warhammer 40,000: Dawn of War - Definitive Edition
Shared: Strategy · RTS · Action RTS

Aliens: Dark Descent
Shared: Strategy · RTS · Action

Kingdom Rush 5: Alliance TD
Shared: Strategy · Tower Defense · Fantasy

Wuthering Waves
Shared: Action · Anime · Story Rich

Creeper World 4
Shared: Tower Defense · Strategy · RTS

Company of Heroes 3
Shared: Strategy · RTS · Action RTS

Age of Empires II (Retired)
Shared: Strategy · RTS · Medieval