Single-player games like Dark Gem Tower Defense
Below are 9 single-player Steam games similar to Dark Gem 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 Dark Gem Tower Defense page.
Ranked picks
- 1

Stand Your Ground
Single-player alternative to Dark Gem Tower Defense — playable solo, no multiplayer required. Shares Strategy with Dark Gem Tower Defense.
Defend attacks from enemies from all directions within a limited time. Only by making full use of the differences in each tower and choosing appropriate random rewards can you survive.
- 2

Bestion
Single-player alternative to Dark Gem Tower Defense — playable solo, no multiplayer required. Shares Strategy with Dark Gem Tower Defense.
Bestion is a game that combines Roguelike tower defense elements with automated factory construction. Players are required to construct their own factory on a planet and protect the kernel from monster attacks.
- 3

The Territory of Egg 2
Single-player alternative to Dark Gem Tower Defense — playable solo, no multiplayer required. Shares Strategy with Dark Gem Tower Defense.
The Territory of Egg 2 is an unique tower defense indie game. Place Egg Towers, choose evolution branches, combine skills and build defenses. The souls of Heroic Eggs await your awakening! Explore and gather resources in the dark forest, unlock the technology tree, and defeat even stronger enemies!
- 4

Arms Evolution: ZOMBIE DESTROYER
Single-player alternative to Dark Gem Tower Defense — playable solo, no multiplayer required. Shares Strategy with Dark Gem Tower Defense.
"Arms Evolution: ZOMBIE DESTROYER" is a unique Roguelite tower defense game. You will slaughter thousands of zombies in the game and enhance your weapon towers through build character in the RPG way. and , the game also offers an idle mode, so you can enjoy building weapons anytime and anywhere.
- 5

Isle of Arrows
Single-player alternative to Dark Gem Tower Defense — playable solo, no multiplayer required. Shares Strategy with Dark Gem Tower Defense.
Isle of Arrows is a Puzzle Tower Defense game in which you build a fortress in the sky. Place towers, expand the isle, and build your own paths. Can you find the perfect spot for each tile to beat the RNG and defend against waves of invaders?
- 6

Last Stand: Defense
Single-player alternative to Dark Gem Tower Defense — playable solo, no multiplayer required. Shares Strategy with Dark Gem Tower Defense.
"Last Stand:Defense" is a tower defense-themed Rogue-like game. Players need to defend against waves of enemies by building bases, matching talents, and performing delicate operations during battles. Remember, every choice you make will affect the final outcome of the battle!
- 7

Nordhold
Single-player alternative to Dark Gem Tower Defense — playable solo, no multiplayer required. Shares Strategy with Dark Gem Tower Defense.
Enemies are coming! Every decision matters: build your city, grow the economy, and prepare for enemy waves. Strengthen your defenses, adapt your strategy, and unleash your hero’s full potential. This unique Tower Defense will test your skills – are you worthy to claim a place at Valhalla?
- 8

Tower Dominion
Single-player alternative to Dark Gem Tower Defense — playable solo, no multiplayer required. Shares Strategy with Dark Gem Tower Defense.
Build and design the terrain while defending your stronghold against alien invasion in this unique Roguelike tower defense. Choose from 30 heroes, survive enemy waves, and upgrade a variety of destructive towers to hold the line!
- 9

Chthonian TD
Single-player alternative to Dark Gem Tower Defense — playable solo, no multiplayer required. Shares Strategy with Dark Gem Tower Defense.
Fast-paced co-op action roguelite × tower defense. Fight escalating waves, risk resources in a dangerous mine, defeat the boss - then see how long you survive in Endless.