IMHO.

Single-player games like All Aboard! The Train Defense Express

Below are 9 single-player Steam games similar to All Aboard! The Train Defense Express, 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 All Aboard! The Train Defense Express page.

Ranked picks

  1. 1
    CyberTD — Steam game cover

    CyberTD

    Single-player alternative to All Aboard! The Train Defense Express — playable solo, no multiplayer required. Shares Strategy and Indie with All Aboard! The Train Defense Express.

    Mutant viruses threaten the very heart of cyberspace! You'll need the right tactics and the "help" of your support drone to build a deck of terrific upgrades in this innovative deckbuilding tower defense game packed with roguelite elements!

    2023StrategyIndieSimulation9.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Zero Stress King: Idle Defense — Steam game cover

    Zero Stress King: Idle Defense

    Single-player alternative to All Aboard! The Train Defense Express — playable solo, no multiplayer required. Shares Strategy and Indie with All Aboard! The Train Defense Express.

    A short relaxing incremental game disguised as a tower defense, but enemies can’t reach your walls. Thanks to lava.

    2026StrategyIndieCasual4.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Incrempire — Steam game cover

    Incrempire

    Single-player alternative to All Aboard! The Train Defense Express — playable solo, no multiplayer required. Shares Strategy and Indie with All Aboard! The Train Defense Express.

    Defend. Upgrade. Dominate. A relaxing incremental base-defense game, packed with powerful skills and a deep skill tree.

    2026ActionStrategyIndieSingle-playerSimilar games →
  4. 4
    ByteCrawler — Steam game cover

    ByteCrawler

    Single-player alternative to All Aboard! The Train Defense Express — playable solo, no multiplayer required. Shares Strategy and Casual with All Aboard! The Train Defense Express.

    Pick a hero, build your swarm, and hold off enemy waves. Place units, watch your energy, and level up to survive in this lane-defense strategy game!

    2026StrategyCasualSingle-playerSimilar games →
  5. 5
    Rejected Draft — Steam game cover

    Rejected Draft

    Single-player alternative to All Aboard! The Train Defense Express — playable solo, no multiplayer required. Shares Strategy and Indie with All Aboard! The Train Defense Express.

    You are a flawed doodle thrown in the trash. Battle rival sketches in an idle climb for revenge. Every enemy is drawn by community artists, with alternate versions and direct credits. In an unusual twist on builds, choose which enemies appear in your world, then defeat them to absorb their powers.

    2026StrategyIndieSimulationSingle-playerSimilar games →
  6. 6
    Roller Coaster Looper — Steam game cover

    Roller Coaster Looper

    Single-player alternative to All Aboard! The Train Defense Express — playable solo, no multiplayer required. Shares Strategy and Indie with All Aboard! The Train Defense Express.

    A roguelite idle-like roller coaster sim where you draft track segments, recruit riders, and combo card upgrades between rounds, then watch the thrill scores spiral gloriously out of control. Physics optional.

    2026StrategyIndieSimulationSingle-playerSimilar games →
  7. 7
    Towerful Defense: A Rogue TD — Steam game cover

    Towerful Defense: A Rogue TD

    Single-player alternative to All Aboard! The Train Defense Express — playable solo, no multiplayer required. Shares Strategy and Indie with All Aboard! The Train Defense Express.

    A roguelike tower defense where you control a single tower to fight against hordes of aliens coming from all directions. Pick your tower, equip up to 4 skills, and choose from a variety of traits and unique effect items to craft powerful builds that lead you to victory.

    2024ActionStrategyIndie2.49 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    The Unearthened - Complete Edition — Steam game cover

    The Unearthened - Complete Edition

    Single-player alternative to All Aboard! The Train Defense Express — playable solo, no multiplayer required. Shares Strategy and Simulation with All Aboard! The Train Defense Express.

    Build & defend a small remote mining base on Taichin XI from the alien hordes. Deploy defenses, upgrade your turrets and get ready for the nightfall. The Unearthened is a classic Idle Tower Defense game where you build towers and prepare for the invasion.

    2023StrategySimulation7.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Vampire Survivors — Steam game cover

    Vampire Survivors

    Single-player alternative to All Aboard! The Train Defense Express — playable solo, no multiplayer required. Shares Indie and Casual with All Aboard! The Train Defense Express.

    Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!

    2022ActionIndieRPG4.99 USDDeck VerifiedSingle-playerSimilar games →