Single-player games like This Isn't Just Tower Defense
Below are 8 single-player Steam games similar to This Isn't Just Tower Defense, 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 This Isn't Just Tower Defense page.
Ranked picks
- 1
Particul
Single-player alternative to This Isn't Just Tower Defense — playable solo, no multiplayer required. Shares Strategy and Casual with This Isn't Just Tower Defense.
Click to mine particles and watch your pile grow. Turn resources into profit, automate extraction, research new technologies and trade. Can you mine the rarest particle and ascend? There is just one way to find out.
- 2
Monster Manor
Single-player alternative to This Isn't Just Tower Defense — playable solo, no multiplayer required. Shares Casual with This Isn't Just Tower Defense.
Deploy defense towers to defeat monsters, capture them for your automated farm, and earn growing profits. Expand your Monster Manor in the sidebar during work breaks or downtime!
- 3
Gamblers Table
Single-player alternative to This Isn't Just Tower Defense — playable solo, no multiplayer required. Shares Strategy and Casual with This Isn't Just Tower Defense.
Gamblers Table is an incremental game where you toss coins to earn money. Buy bigger and better coins, unlock upgrades and hire little helpers to automate the process and take care of all the busy flipping work for you. Simple. Satisfying. Strangely compelling...
- 4
Widget Inc.
Single-player alternative to This Isn't Just Tower Defense — playable solo, no multiplayer required. Shares Strategy and Casual with This Isn't Just Tower Defense.
A hybrid factory builder / incremental clicker game. Starting from humble beginnings, master the many crafting processes to build up resources and expand your factory. Then, using your newly automated production, unlock new technology and grow ever closer to your goal of spreading to the stars.
- 5
Incredicer
Single-player alternative to This Isn't Just Tower Defense — playable solo, no multiplayer required. Shares Strategy and Casual with This Isn't Just Tower Defense.
Incredicer is a short, incremental dice game where you roll dice, earn money, upgrade and buy helper hands to automate and increase your income.
- 6
Goblin Buster: Incremental Tower Defense
Single-player alternative to This Isn't Just Tower Defense — playable solo, no multiplayer required. Shares Strategy and Casual with This Isn't Just Tower Defense.
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!
- 7
Idle Monster TD
Single-player alternative to This Isn't Just Tower Defense — playable solo, no multiplayer required. Shares Strategy and Casual with This Isn't Just Tower Defense.
An endless Tower Defense game of epic Monsters vs evil War Machines. Unlock and upgrade tons of unique elemental Monsters (Water, Air, Earth, and Fire) to defend your home from an infinite swarm of robots. Strategize the most effective placement of Monsters to synergize their elemental abilities.
- 8
Legends of Wasteland
Single-player alternative to This Isn't Just Tower Defense — playable solo, no multiplayer required. Shares Strategy with This Isn't Just Tower Defense.
Legends of Wastelands is an idle RPG where you shape your hero’s growth. Choose among six classes, master 100+ skills, and combine talents and gems for unique synergies. Idle for rewards or dive into boss fights and shifting wastelands, with pets and gear adding endless build variety.