Single-player games like Heart of Siam
Below are 8 single-player Steam games similar to Heart of Siam, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Heart of Siam page.
Ranked picks
- 1
MT Force Aliens Uprising
Single-player alternative to Heart of Siam — playable solo, no multiplayer required. Shares Action with Heart of Siam.
Dive into the heart-pounding action as MT Force, an elite government unit racing against time to unravel the mysteries of enigmatic anomalies. Rumors suggest that a mysterious scientist made contact with aliens, and now everything is out of control!
- 2
Wild Radio Flux
Single-player alternative to Heart of Siam — playable solo, no multiplayer required. Shares Action and Adventure with Heart of Siam.
A fast-paced, charming action-adventure side-scroller Platformer game, packed with nostalgic energy. Explore, discover, collect, fight, unlock new stages, and grow your hero to save free thought from a tech-controlled dystopian future!
- 3
Belle Boomerang
Single-player alternative to Heart of Siam — playable solo, no multiplayer required. Shares Action and Adventure with Heart of Siam.
A fast-action platformer packed with beautiful pixel art and exciting variation in every level!
- 4
Oddworld: Soulstorm Enhanced Edition
Single-player alternative to Heart of Siam — playable solo, no multiplayer required. Shares Action and Adventure with Heart of Siam.
Oddworld: Soulstorm is the explosive second game in a brand new Oddworld Quintology that tells the continuing story of Abe and his comrades as they discover further crimes against Mudokonkind and look for the spark that will ignite a revolution.
- 5
Beholgar
Single-player alternative to Heart of Siam — playable solo, no multiplayer required. Shares Action and Adventure with Heart of Siam.
Beholgar is a classically styled metroidvania action adventure. Explore caverns, ancient woods, and deadly castles; battle creatures and solve ancient mysteries at the kingdom.
- 6
Age of Barbarian Extended Cut
Single-player alternative to Heart of Siam — playable solo, no multiplayer required. Shares Action and Adventure with Heart of Siam.
Age of Barbarian Ex is an action hack 'n 'slash game inspired to 80s, fantasy and sword-and-sorcery genre. Muscular barbarians, scantily clad girls, hordes of bloodthirsty monsters, a lot of gore, a pretty epic story and an addictive soundtrack! What's best in life?
- 7
UnderParty
Single-player alternative to Heart of Siam — playable solo, no multiplayer required. Shares Action and Adventure with Heart of Siam.
UnderParty is an Action Platformer game. This game is made up of a very high level of difficulty. It's very violent, so be careful.
- 8
F.I.S.T.: Forged In Shadow Torch
Single-player alternative to Heart of Siam — playable solo, no multiplayer required. Shares Action and Adventure with Heart of Siam.
F.I.S.T.: Forged In Shadow Torch is a Metroidvania action game featuring exploration, intense combat and challenging platforming.