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Games like Idle Monster TD on Steam

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Feed the Reactor An incremental unfolding game about feeding fuel into a reactor. Combine elements to produce energy, unlock exotic technologies and explore a strange galaxy.
Similarity 51%
Price 6.89€
Rating 7.8
Release 06 Jan 2026
Idle Champions of the Forgotten Realms Idle Champions of the Forgotten Realms is a Dungeons & Dragons strategy management game uniting Champions from throughout the D&D multiverse into a grand adventure.
Similarity 51%
Price Free to play
Rating 7.5
Release 25 Mar 2020
Fieldrunners Fieldrunners is now available on Steam! Download it now to play the hit tower defense game critics and fans have been raving about. Descend into the world of Fieldrunners, the most anticipated and visually stunning game in tower defense history!
Similarity 51%
Price -69% 1.26€
Rating 6.2
Release 24 May 2012
Revenge of the Titans The ultimate mash-up of Real-time Strategy and Tower Defense!
Similarity 51%
Price -67% 4.89€
Rating 7.8
Release 16 Mar 2011
Super Sanctum TD Super Sanctum TD is a retro-styled Tower Defense game that focuses on strategy, customization and replayability. Build advanced mazes and construct powerful towers to prevent alien hordes from reaching the Core!
Similarity 51%
Price -87% 0.69€
Rating 8.3
Release 09 May 2013
Protolife Protolife is an unique tower-based strategy game which gives you a direct control over the builder robot in a struggle against the hungry proto-life organism.
Similarity 51%
Price 11.99€
Rating 7.9
Release 15 Jun 2018
Kingdom Rush Origins - Tower Defense Command your elven army and defend mystical lands from sea serpents, evil sorcerers, and wave after wave of gnoll tribesman, all with the help of brand-spankin’ new towers, heroes, and spells to fend off every last baddie.
Similarity 51%
Price -75% 3.14€
Rating 9.2
Release 17 Oct 2018
Chef Knight Cook what you kill in this cozy fantasy incremental game! Dive into dangerous dungeons, harvest fresh monster ingredients, and serve delicious dishes to hungry adventurers. Slay, cook, sell and upgrade your way to a sprawling dungeon-food empire!
Similarity 51%
Price -3% 6.00€
Rating 9.1
Release 01 Jun 2026
Outhold Outhold is a short, strategic incremental game that blends tower defense with a deep meta-progression. Experiment with builds and find overpowered synergies to defend the dwindling fires of Outhold.
Similarity 50%
Price 5.99€
Rating 8.2
Release 12 Dec 2025
Kingdom Rush 6: Genesis TD Kingdom Rush 6: Genesis is a fantasy tower defense strategy game that takes you back in time to the early days of the Kingdom with bold new twists. Build towers, command heroes, and stop Vez’nan’s corruption before it tears the kingdom apart!
Similarity 50%
Price -13% 17.85€
Rating 7.0
Release 24 Sep 2026
Realm Grinder Grow your realm, build alliances, and explore one of the deepest idle RPGs ever!
Similarity 50%
Price Free to play
Rating 8.5
Release 15 Jun 2017
MMO98 An incremental game where you go from small-scale MMO development studio up to global market domination. Improve your server infrastructure, address the technical challenges of running an MMO, release new games, and become the world's #1 MMO game studio.
Similarity 50%
Price 5.95€
Rating 6.7
Release 20 Apr 2026
Go Home Dinosaurs! Todd Rex wants steak. Todd Rex wants YOUR steak. Are you gonna let him take it? No way! Go Home, Dinosaurs!Prevent hordes of marauding Dinos from crashing your party in the world’s premier BBQ defense simulator! Unlock powerful towers that act like little weaponized puzzle pieces.
Similarity 50%
Price -96% 0.48€
Rating 8.2
Release 14 Mar 2013
Broken Universe - Tower Defense Get ready to rethink all your defense strategies! Build barricades to stop monsters, or lure them into a maze and attack. A variety of stages that change each time depending on how you play them.
Similarity 50%
Price 8.99€
Rating 8.3
Release 04 Feb 2023
Desktop Defender An idle auto-battler that sits in the corner of your screen while you do other things.
Similarity 50%
Price -41% 2.98€
Rating 8.8
Release 04 Nov 2025
Instruction Generate voltage while uncovering the mysteries of a power plant in this story-based clicker game.
Similarity 50%
Price Free to play
Rating 8.8
Release 02 Feb 2024
Fieldrunners 2 Get ready to DEFEND THE WORLD! The biggest sequel in tower defense history is finally here: Fieldrunners 2 has arrived! From Subatomic Studios, creators of the award winning classic strategy game comes an all new adventure that was years in the making.
Similarity 50%
Price -29% 7.16€
Rating 8.0
Release 10 Jan 2013
Crown Siege A short incremental siege game centered around growing and strengthening an army to defend your kingdom. Seize the crown from an endless wave of enemies for your best chance at survival!
Similarity 50%
Price 9.99€
Rating 7.4
Release 18 Sep 2026
Kingdom Rush 5: Alliance TD 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.
Similarity 50%
Price -19% 15.83€
Rating 8.5
Release 25 Jul 2024
Lakeside Bar A cozy management sim where the jazz is smooth, the cocktails are cooler than the evening breeze, and the lake reflects your perfect escape.
Similarity 50%
Price -60% 2.39€
Rating 8.1
Release 30 Jul 2025
Horripilant KILL YOUR GOD. BECOME WORTHY. Horripilant is a chilling idle incremental dungeon crawl through the horrors of a forgotten underworld.
Similarity 50%
Price -43% 4.49€
Rating 8.9
Release 20 Feb 2026
Dungeon of the ENDLESS Dungeon of the ENDLESS™ is a Rogue-Like Dungeon-Defense game, in which the player and their team of heroes must protect the generator of their crashed ship while exploring an ever-expanding dungeon, all while facing waves of monsters and special events as they try to find their way out...
Similarity 50%
Price -89% 1.29€
Rating 8.4
Release 27 Oct 2014
No Heroes Here No Heroes Here is a frantic co-op game for 1 to 4 players, available in local and online modes. Craft and use several items effectively whilst coordinating your ragtag band of non-heroes to defend castles and survive! ...Oh, as well as saving the Kingdom in the meantime!
Similarity 50%
Price 12.49€
Rating 8.3
Release 02 Oct 2017