Single-player games like Forest TD
Below are 8 single-player Steam games similar to Forest TD, 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 Forest TD page.
Ranked picks
- 1

Makina
Single-player alternative to Forest TD — playable solo, no multiplayer required. Shares Strategy and Indie with Forest TD.
Build. Defend. Automate. MAKIN-A is a top-down shooter merged with deep tower defense and resource management. In a deserted cyberpunk wasteland, you are the last line of defense. Engineer a fleet of mining robots and build your reliable cannons, fortify your base against relentless machine swarms.
- 2

XENO SIEGE
Single-player alternative to Forest TD — playable solo, no multiplayer required. Shares Strategy and RPG with Forest TD.
A top-down arena shooting light Roguelike game. Players take on the role of a modified warrior who is caught up in a black hole and forced to land on an unknown planet. Faced with hordes of alien monsters and uncontrollable mechanical debris
- 3

Dimension Core: Amethyst
Single-player alternative to Forest TD — playable solo, no multiplayer required. Shares Strategy and Indie with Forest TD.
A Roguelite strategy tower defense game. Different towers, events, and upgrades every run. Manage resources, fight alongside your towers, and defend the Dimension Core.
- 4

Path Defenders: More Than Just Tower Defense
Single-player alternative to Forest TD — playable solo, no multiplayer required. Shares Strategy and Indie with Forest TD.
A single-player MMORPG fused with tower defense. Recruit heroes, Build bizarre but devastating towers, and fight beside them in real-time 3D combat against waves of enemies.
- 5

Touhou Monster TD ~ 幻想乡妖怪塔防
Single-player alternative to Forest TD — playable solo, no multiplayer required. Shares Strategy and Indie with Forest TD.
Easy to learn but hard to master, Touhou Monster TD is a unique Tower defense Game. Control your character, level up and unlock tower skills and character talents, use your wisdom to defeat incoming enemies. Travel the Gensokyo, find out why the “Incident” happened this time.
- 6

城市塔防-City Tower Defence
Single-player alternative to Forest TD — playable solo, no multiplayer required. Shares Strategy and Indie with Forest TD.
Help defend Shanghai from an invasion of snowmen! Build and upgrade towers across a battlefield that changes every run, shape your strategy with powerful cards and between-wave rewards, and survive escalating waves and boss encounters in this roguelite tower defense.
- 7

Book Shooter
Single-player alternative to Forest TD — playable solo, no multiplayer required. Shares Strategy and Indie with Forest TD.
《Book Shooter》is a tower defense roguelike game where YOU become the magic tome! Transmigrated into a fantasy world, you inhabit legendary books like An Actor's Work, The Bible, and A Brief History of Time. You will face many enemies, come and fight!
- 8

Live Hard, Die Hard
Single-player alternative to Forest TD — playable solo, no multiplayer required. Shares Strategy and Indie with Forest TD.
Busy but Addictive! This BATTLE x MEDICAL Counter-Invasion Real-Time Strategy is like nothing you've ever seen! An army of aliens is here to invade the Earth! Show the Earth-style greeting to those unwanted visitors who lounge around our grounds! Lead your troops to extinguish zillions of aliens!