Single-player games like Thunder Training Ground
Below are 8 single-player Steam games similar to Thunder Training Ground, 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 Thunder Training Ground page.
Ranked picks
- 1
Polygonal Conflict
Single-player alternative to Thunder Training Ground — playable solo, no multiplayer required. Shares Action and Indie with Thunder Training Ground.
Raise your army, crush the enemy defense, and seize air superiority in Polygonal Conflict. This is a massive-scale military sandbox where you directly control a vast arsenal of vehicles, command advanced AI, and personally smash through enemy lines across enormous battlefields
- 2
Winter War 1939
Single-player alternative to Thunder Training Ground — playable solo, no multiplayer required. Shares Action with Thunder Training Ground.
Epic World War 2 battles. Finland vs the Soviet Union.
- 3
NavalArt
Single-player alternative to Thunder Training Ground — playable solo, no multiplayer required. Shares Indie and Simulation with Thunder Training Ground.
Design your own warships, equip them with a variety of armament, and bring them out to the ocean!
- 4
Cannon Clicker
Single-player alternative to Thunder Training Ground — playable solo, no multiplayer required. Shares Action and Indie with Thunder Training Ground.
Build your army from nothing to military supremacy! Cannon Clicker blends addictive idle clicker action with real strategy in a WWII setting. Expand your skill tree, juggle three currencies, and command infantry, tanks and aircraft. Crush the enemy base and dominate every battlefield!
- 5
Aircraft Evolution
Single-player alternative to Thunder Training Ground — playable solo, no multiplayer required. Shares Action and Indie with Thunder Training Ground.
Take part in aerial battles with warplanes from different eras — from World War I to the future. Drop bombs, upgrade your aircraft, and turn enemy bases into rubble in the explosive action game Aircraft Evolution!
- 6
Sprocket
Single-player alternative to Thunder Training Ground — playable solo, no multiplayer required. Shares Action and Indie with Thunder Training Ground.
Carefully balance mobility, firepower and armour in a dedicated tank designer. Then uncarefully put them to the test in a series of combat scenarios progressing through the ages of the tank. Here, your limit is what you can fit inside your hull and turret while still being able to move forwards.
- 7
M4 Tank Brigade
Single-player alternative to Thunder Training Ground — playable solo, no multiplayer required. Shares Action and Simulation with Thunder Training Ground.
M4 Tank Brigade is a WWII Tank Simulation game offering both Tactical and Strategic game play as the player controls 4 tanks in his own platoon and up to 3 other platoons at the same time! Single Player game with thousands of different missions and online Multiplayer combat.
- 8
Ultimate Admiral: Dreadnoughts
Single-player alternative to Thunder Training Ground — playable solo, no multiplayer required. Shares Indie and Simulation with Thunder Training Ground.
Design warships the way you want them, command fleets, win the naval arms race for your nation!