Single-player games like All Aboard! The Train Defense Express
Below are 8 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

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.
- 2

Idle Hero TD - Tower 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.
Endless idle tower defense game full of deep strategy and combat mechanics. Unlock and upgrade dozens of epic fantasy heroes to defeat an infinite swarm of enemy monsters. Strategize hero positions, synergies, and skills for an effective defense, then sit back and let the auto-battler do its thing!
- 3

Goblin Buster: Incremental Tower Defense
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.
Goblin Buster is an incremental tower defense game with deep upgrade mechanics. Obliterate annoying goblins, collect materials, discover powerful relics, invest in unique buildings and spend your resources to upgrade towers and magical spells with a massive skill tree!
- 4

Samawa Idle
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.
Unleash the power of specialized towers to annihilate hordes of monsters in this idle game with roguelike elements. Collect gold, level up your towers, face powerful bosses, and refine your strategy with an evolving skill tree.
- 5

This Isn't Just Tower Defense
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.
Defend your base with placeable towers that can be upgraded endlessly. Automate your production and make sure there's enough power to keep everything running.
- 6

Trainatic
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.
Trainatic is an explosive incremental train-building game! Upgrade your cars, gather resources, and unlock powerful synergies to chug further down the track.
- 7

Legacy of 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.
Become the hero who protects the fantasy world and stop the monster invasion! 'Legacy of Defense' combines defense with deck-building. Build your deck, use powerful skills, gain experience, upgrade, clear stages, and defeat the final boss. Ready to test your strategy and luck?
- 8

Ash Warden
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.
Survive waves of enemies in Ash Warden, an incremental tower defense where you slowly become overpowered. Unlock new abilities, fight against powerful bosses, and evolve into an unstoppable force against the endless Redgaze hordes.