Single-player games like Countless Army
Below are 8 single-player Steam games similar to Countless Army, 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 Countless Army page.
Ranked picks
- 1
The King is Watching
Single-player alternative to Countless Army — playable solo, no multiplayer required. Shares Strategy and Indie with Countless Army.
The King is Watching is a roguelite kingdom builder. Rule by the power of your royal gaze! Decide between producing resources, training armies, or balancing both, while adapting to unique events every run
- 2
Castle Doombad Classic
Single-player alternative to Countless Army — playable solo, no multiplayer required. Shares Strategy with Countless Army.
BE THE VILLAIN and slay any hero who dares enter your dark domain! Deck out your castle with traps and minions as the ultimate diabolical dungeon keeper in this strategy / TD puzzler. Includes the original Castle Doombad game, rebuilt and remastered, plus brand new content.
- 3
Nordhold
Single-player alternative to Countless Army — playable solo, no multiplayer required. Shares Strategy and Indie with Countless Army.
Enemies are coming! Every decision matters: build your city, grow the economy, and prepare for enemy waves. Strengthen your defenses, adapt your strategy, and unleash your hero’s full potential. This unique Tower Defense will test your skills – are you worthy to claim a place at Valhalla?
- 4
Mushroom Wars 2
Single-player alternative to Countless Army — playable solo, no multiplayer required. Shares Strategy and Indie with Countless Army.
In Mushroom Wars 2, enemy tribes of feisty mushroom creatures face off in short but fierce RTS battles. Step into the shoes of a fearless Mushroom Commander, choose a hero to lead your army, and take control of the battlefield in a variety of multiplayer modes or challenging story campaign.
- 5
Kingdom Rush 5: Alliance TD
Single-player alternative to Countless Army — playable solo, no multiplayer required. Shares Strategy and Indie with Countless Army.
While a formidable evil emerges, an unexpected alliance is taking shape! It will take the finest warriors of Linirea and the relentless Dark Army to stop it. Beware! Though they may journey side by side the ever-changing winds of fate could swiftly alter their course.
- 6
Dungeon Warfare 3
Single-player alternative to Countless Army — playable solo, no multiplayer required. Shares Strategy with Countless Army.
Forge invincible defenses with lethal traps and devious machines, and crush relentless waves of adventurers in the ultimate tower defense showdown!
- 7
Age of Defense: Prehistory
Single-player alternative to Countless Army — playable solo, no multiplayer required. Shares Strategy and Indie with Countless Army.
The most addicting tower defense game, packed with monsters and tough defenders, all of which fit perfectly into the cartoonish environment. Prehistory is a prologue for the main story Age of Defense.
- 8
Refence
Single-player alternative to Countless Army — playable solo, no multiplayer required. Shares Strategy and Indie with Countless Army.
Refence is a roguelite based idle defense game, where you can choose heroes and their traits, upgrade your castle, and manage resources to fend off enemies from the Demon Realm who are trying to attack your castle.