Single-player games like Castle Of Alchemists
Below are 14 single-player Steam games similar to Castle Of Alchemists, 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 Castle Of Alchemists page.
Ranked picks
- 1

Legendary Heroes
Single-player alternative to Castle Of Alchemists — playable solo, no multiplayer required. Shares Action and Strategy with Castle Of Alchemists.
Legendary Heroes is a real-time RPG/strategy game with MOBA elements. Protect your towers and crush your opponents!
- 2

Ice Fighter
Single-player alternative to Castle Of Alchemists — playable solo, no multiplayer required. Shares Action and Strategy with Castle Of Alchemists.
Ice Fighter is a fast-paced Tower Defense-like game where you battle enemies, scavenge for resources, manage upgrades, and build defenses. Melt enemies during the night and gather resources during the day.
- 3

The Last Warmage
Single-player alternative to Castle Of Alchemists — playable solo, no multiplayer required. Shares Action and Strategy with Castle Of Alchemists.
Action-packed, dynamic tower defense where mana management, strategic spellcasting and quick decisions are crucial. Uncover your enemies' weaknesses and unleash devastating spell combos to conquer 60 levels of epic challenges and thrilling side quests.
- 4

Wizzy Buds
Single-player alternative to Castle Of Alchemists — playable solo, no multiplayer required. Shares Action and Strategy with Castle Of Alchemists.
In Wizzy Buds, you never strike enemies directly—instead, you manipulate them. Push, pull, or trick hordes of mischievous creatures into a wide variety of deadly traps. Outsmart your foes and turn every encounter into a clever puzzle of timing and strategy.
- 5

Knight Legion: Rpg Strategy
Single-player alternative to Castle Of Alchemists — playable solo, no multiplayer required. Shares Action and Strategy with Castle Of Alchemists.
Lead 4 unique heroes and an army of 12 soldiers to reclaim 100 levels across 10 islands. Defend your monument, level up, upgrade gear, and craft powerful items in this action-packed RPG strategy. Will your legion cleanse the islands of the creature infestation?
- 6

Night Light
Single-player alternative to Castle Of Alchemists — playable solo, no multiplayer required. Shares Action and Strategy with Castle Of Alchemists.
Defend against the creatures of that night! Protect yourself and your lamp by building and upgrading your base. Equip yourself with the best weapons to deal with the incoming waves.
- 7

Shapes: The Tower Defense Game
Single-player alternative to Castle Of Alchemists — playable solo, no multiplayer required. Shares Action and Strategy with Castle Of Alchemists.
Strategize your base to build and defend off waves of enemies in an on going battle. Plan, Attack, Defend and Grow! In the stratigic tower defense shooter.
- 8

Scorpion Overdrive
Single-player alternative to Castle Of Alchemists — playable solo, no multiplayer required. Shares Action and Strategy with Castle Of Alchemists.
Descend to an alien planet where you will steal the planets most valuable resource, while hordes of giant alien bugs sting, stab, claw and shock you to no end. You must hold them back from destroying the equipment and somehow stay alive to enjoy a nice payday.
- 9

Orcs Must Die!
Single-player alternative to Castle Of Alchemists — playable solo, no multiplayer required. Shares Action and Strategy with Castle Of Alchemists.
Slice them, burn them, skewer them, and launch them - no matter how you get it done, orcs must die in this fantasy action-strategy game from Robot Entertainment.
- 10

DOOM Eternal
Single-player alternative to Castle Of Alchemists — playable solo, no multiplayer required. Shares Action with Castle Of Alchemists.
Hell’s armies have invaded Earth. Become the Slayer in an epic single-player campaign to conquer demons across dimensions and stop the final destruction of humanity. The only thing they fear... is you.
- 11

Diablo® IV
Single-player alternative to Castle Of Alchemists — playable solo, no multiplayer required. Shares Action with Castle Of Alchemists.
Join the fight for Sanctuary in Diablo® IV, the ultimate action RPG adventure. Experience the critically acclaimed campaign and new seasonal content.
- 12

Bring It
Single-player alternative to Castle Of Alchemists — playable solo, no multiplayer required. Shares Action and Indie with Castle Of Alchemists.
A stylized retro arcade game about a motor courier hustling through the city to deliver meals, coffee and groceries with skill and style. Chain boosts, drifts, air dashes and double jumps, then spend your earnings on home upgrades,new licenses and bikes with unique abilities for the next day’s rush.
- 13

Idle Hippodrome
Single-player alternative to Castle Of Alchemists — playable solo, no multiplayer required. Shares Indie with Castle Of Alchemists.
An idle desktop management game where you grow crops, craft feed, and raise horses at your own pace. Care for your farm, breed and train horses, and join asynchronous races against other players. Customize your stables, place bets on races, and earn gold while you work or relax.
- 14

Monster Cuisine
Single-player alternative to Castle Of Alchemists — playable solo, no multiplayer required. Shares Action and Indie with Castle Of Alchemists.
Best a beast and serve a feast in Monster Cuisine, an action-RPG where you're a tavern keeper hunting fabled creatures in a forbidden forest to cook mythical meals and grow your business. Craft unique weapons and armor sets to take on stronger monsters that are as delicious as they are dangerous.