Single-player games like DG2: Defense Grid 2
Below are 9 single-player Steam games similar to DG2: Defense Grid 2, 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 DG2: Defense Grid 2 page.
Ranked picks
- 1
The Red Solstice
Single-player alternative to DG2: Defense Grid 2 — playable solo, no multiplayer required. Shares Strategy with DG2: Defense Grid 2.
2280 A.D. The last few survivors of a ruined Earth seek a new home: Mars, a planet whose inhabitants didn't take too kindly to outsiders. The Red Solstice is a tense, tactical, squad-based action game. Fight to survive with up to 8 players in co-op, or lead your own squad in single-player mode.
- 2
Orbital Clash
Single-player alternative to DG2: Defense Grid 2 — playable solo, no multiplayer required. Shares Strategy with DG2: Defense Grid 2.
Turn-based space battle tactical/strategic game
- 3
Worbital
Single-player alternative to DG2: Defense Grid 2 — playable solo, no multiplayer required. Shares Strategy and Indie with DG2: Defense Grid 2.
With the shifting gravity on your side, aim your cannons, blast your enemies and enjoy the fireworks. Worbital is a real-time strategic artillery game in space, peppered with a heavy dose of cosmic chaos. The goal: be the last civilization standing!
- 4
Halo Wars: Definitive Edition
Single-player alternative to DG2: Defense Grid 2 — playable solo, no multiplayer required. Shares Strategy with DG2: Defense Grid 2.
Halo Wars: Definitive Edition is an enhanced version of the real-time strategy classic, Halo Wars, updated to run natively on PC. Halo Wars: Definitive Edition includes improved graphics, new achievements and all of the DLC created for the landmark real-time strategy game.
- 5
CHAOTIC ERA
Single-player alternative to DG2: Defense Grid 2 — playable solo, no multiplayer required. Shares Strategy and Indie with DG2: Defense Grid 2.
AT THE LIMITS OF EARTH, AT THE EXTREMITY OF HEAVEN. A REAL-TIME STRATEGY NIGHTMARE.
- 6
Dome Keeper
Single-player alternative to DG2: Defense Grid 2 — playable solo, no multiplayer required. Shares Indie with DG2: Defense Grid 2.
Defend against waves of alien monsters in this unique roguelike action miner. Dig for resources, collect useful gadgets, and upgrade equipment to increase odds of survival – just hurry back before your dome is destroyed!
- 7
Defense Grid: The Awakening
Single-player alternative to DG2: Defense Grid 2 — playable solo, no multiplayer required. Shares Strategy and Indie with DG2: Defense Grid 2.
Defense Grid: The Awakening is a unique spin on tower defense gameplay that will appeal to players of all skill levels. A horde of enemies is invading, and it's up to the player to stop them by strategically building fortification towers around their base.
- 8
X-Morph: Defense
Single-player alternative to DG2: Defense Grid 2 — playable solo, no multiplayer required. Shares Strategy and Indie with DG2: Defense Grid 2.
Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.
- 9
Age of Empires II (Retired)
Single-player alternative to DG2: Defense Grid 2 — playable solo, no multiplayer required. Shares Strategy with DG2: Defense Grid 2.
Age of Empires II has been re-imagined in high definition. With the release of Age of Empires II: Definitive Edition, this product will not be updated further.