Single-player games like Under Tower Idle
Below are 8 single-player Steam games similar to Under Tower Idle, 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 Under Tower Idle page.
Ranked picks
- 1
Flag Conquest
Single-player alternative to Under Tower Idle — playable solo, no multiplayer required. Shares Indie with Under Tower Idle.
An incremental roguelite auto-battler. Build a persistent army, program its tactics with Gambits, and take a fallen kingdom back one flag at a time across zones that never stop scaling. Retreat, bank what you earned, come back stronger. Deep prestige, an endless Tower, and King of the Hill.
- 2
The Soul Collector 2 - Idle Game
Single-player alternative to Under Tower Idle — playable solo, no multiplayer required. Shares Indie and Casual with Under Tower Idle.
Time killer idle game. Execute humans and conquest villages to gather more souls than ever before! Summon dark creatures, unlock new upgrades, and expand your underworld power in this enhanced sequel with all-new gameplay features.
- 3
Florana Defense
Single-player alternative to Under Tower Idle — playable solo, no multiplayer required. Shares Indie and Casual with Under Tower Idle.
Incremental Mazing Tower Defense. No lives, just make more gold. No fixed mob path, create the best maze ever.
- 4
Incremental Woods
Single-player alternative to Under Tower Idle — playable solo, no multiplayer required. Shares Indie and Casual with Under Tower Idle.
Incremental Woods is a short incremental game, where you work your way up to become strong enough to defeat the demon terrorizing the woods. Gather materials, hire companions and build structures to become the savior of the woods.
- 5
Glorpnauts
Single-player alternative to Under Tower Idle — playable solo, no multiplayer required. Shares Indie and Casual with Under Tower Idle.
Build it. Automate it. Watch it grow! Glorpnauts is a space incremental where you mine asteroids, expand your fleet, build an automated economy and defend it from pirates. Prestige for permanent upgrades, explore new star systems and turn a tiny base into a thriving space operation.
- 6
Idle Mall Tycoon
Single-player alternative to Under Tower Idle — playable solo, no multiplayer required. Shares Indie and Casual with Under Tower Idle.
🛒 Ever played a realistic and stunning mall tycoon game like the screenshots? 1️⃣ Start by building up your free cash flow with a clicker power business using windmills and solar panels!2️⃣ Supercharge your mall’s growth with a REAL business investment!
- 7
Boil Cabbage Make Soup
Single-player alternative to Under Tower Idle — playable solo, no multiplayer required. Shares Indie and Casual with Under Tower Idle.
A cosy idler starring an Onion who makes soup anywhere on your desktop! Watch him grow and harvest cabbages to make delicious soup for a cast of colourful customers. Decorate your island and customise your Onion with your hard-earned gold to level him up, and build your very own soup making empire!
- 8
Emberwall
Single-player alternative to Under Tower Idle — playable solo, no multiplayer required. Shares Indie and Casual with Under Tower Idle.
Emberwall is a roguelite tower defense game where you reshape enemy paths with tetromino walls, harvest resources, reveal a fog-covered wilderness, and combine powerful towers and elemental upgrades to defend your castle.