Single-player games like Relic Guardian - Tower Defense
Below are 10 single-player Steam games similar to Relic Guardian - 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 Relic Guardian - Tower Defense page.
Ranked picks
- 1

Kingdom Rush - Tower Defense
Single-player alternative to Relic Guardian - Tower Defense — playable solo, no multiplayer required. Shares Strategy with Relic Guardian - Tower Defense.
Get ready for an epic journey to defend your kingdom against hordes of orcs, trolls, evil wizards and other nasty fiends using a vast arsenal of towers and spells at your command!Fight on forests, mountains and wastelands, customizing your defensive strategy with different tower upgrades and specializations!
- 2

Monster Battle Quest
Single-player alternative to Relic Guardian - Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Relic Guardian - Tower Defense.
Recruit and evolve the perfect monster team to destroy opposing enemy. Defeat enemy monsters to earn gold, increase your strength, and dominate the monster world.
- 3

MoonBeam
Single-player alternative to Relic Guardian - Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Relic Guardian - Tower Defense.
Here's a special forces team for you, they all have unique skills. Your task is to make the enemy die in a designated place. Get more energy.
- 4

Kingdom Rush 5: Alliance TD
Single-player alternative to Relic Guardian - Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Relic Guardian - Tower Defense.
While a formidable evil emerges, an unexpected alliance is taking shape! It will take the finest warriors of Linirea and the relentless Dark Army to stop it. Beware! Though they may journey side by side the ever-changing winds of fate could swiftly alter their course.
- 5

Defenders Glory
Single-player alternative to Relic Guardian - Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Relic Guardian - Tower Defense.
Defenders Glory is a Fantasy Tower Defense game with simple but deep gameplay elements: Simple mechanics that allow for near-infinite ways to be applied, allowing it to be suitable to anyone, beginners can just sit down and play, while Veterans can constantly improve themselves and their tactics.
- 6

Pizzapocalypse 2
Single-player alternative to Relic Guardian - Tower Defense — playable solo, no multiplayer required. Shares Indie and Adventure with Relic Guardian - Tower Defense.
Use your pizza to bounce, swing and dash in this 3D platformer! Explore different countries, and put a stop to the greedy corporation selling Pizza-in-a-can!
- 7

Mages Defense
Single-player alternative to Relic Guardian - Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Relic Guardian - Tower Defense.
In a fantastic and unique land, dark creatures seek to destroy the peace of the world and rule the earth. Help the Mages to defend the world against them building traps in their path and using magic in a colorful and happy environment
- 8

BARHEIM
Single-player alternative to Relic Guardian - Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Relic Guardian - Tower Defense.
BARHEIM is a single-player, 3D Time Management Tower Defense where players experience the chaos of mixing drinks and maintaining a bar while defending themselves from thirsty Vikings!
- 9

Plants vs. Zombies GOTY Edition
Single-player alternative to Relic Guardian - Tower Defense — playable solo, no multiplayer required. Shares Strategy with Relic Guardian - Tower Defense.
Zombies are invading your home, and the only defense is your arsenal of plants! Armed with an alien nursery-worth of zombie-zapping plants like peashooters and cherry bombs, you'll need to think fast and plant faster to stop dozens of types of zombies dead in their tracks.
- 10

Kingdom Run VR
Single-player alternative to Relic Guardian - Tower Defense — playable solo, no multiplayer required. Shares Indie and Adventure with Relic Guardian - Tower Defense.
Kingdom Run VR is an action-packed fitness game; explore trapped tombs, avoid dangers, collect gems and eliminate enemies!