IMHO.

Games like Core Idle TD

If Core Idle TD is your kind of game, the closest matches are Endless Void: Idle Tower Defence, BATTLE: PARTS & POWER and Idle Digger Bots Deluxe — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

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About Core Idle TD: Protect your base against endless waves. Collect cores from bosses, unlock permanent upgrades, and prestige resets to push further. Refine your setup, survive the swarms, and climb the global leaderboards.

2026StrategyIndieCasualWindowsby CYR Games
Core Idle TD — Steam game cover

Players who liked Core Idle TD also play

Steam players who put hours into Core Idle TD also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. Endless Void: Idle Tower Defence

    WHY THIS

    Top pick for Core Idle TD fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Core Idle TD.

    Shoot. Upgrade. Die. Repeat. Defend against endless swarms in this minimalist idle tower defense. Construct an impenetrable fortress, research game-breaking tech, craft legendary gear, and harness cosmic abilities like Black Holes and Orbital Strikes. How deep into the Void can you survive?

    2026ActionStrategyIndieSteam ↗
  2. BATTLE: PARTS & POWER

    WHY THIS

    Second-strongest match for Core Idle TD fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Core Idle TD.

    Design robot blueprints, equip new parts, and run automated factories in a 2D idle auto battler. Build and upgrade production lines during battle, defend your headquarters, and refine each loadout to overcome escalating enemy waves.

    StrategyIndieSimulationSteam ↗
  3. Idle Digger Bots Deluxe

    WHY THIS

    Third-strongest match for Core Idle TD fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Core Idle TD.

    A sci-fi idle and automation game where you manage mining bots to dig deep and sell resources.

    2027StrategyIndieCasualSteam ↗
  4. BotForge

    WHY THIS

    Ranked #4 for Core Idle TD fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Core Idle TD.

    BotForge is an intense roguelite auto-battler where strategic loadouts, custom circuits, and precise heat management dictate the fate of every run. Build your ultimate mecha, optimize core systems, and adapt your tactics to survive relentless, escalating waves of deadly alien invaders.

    StrategyIndieSteam ↗
  5. Idle Deathworks

    WHY THIS

    Ranked #5 for Core Idle TD fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Casual with Core Idle TD.

    An idle tower defense roguelite where you summon enemies, harvest their resources, build defenses, and risk increasingly dangerous challenges. When the run ends, resurrect stronger and push farther.

    StrategyCasualSteam ↗
  6. Glorpnauts

    WHY THIS

    Ranked #6 for Core Idle TD fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Core Idle TD.

    Build it. Automate it. Watch it grow! Glorpnauts is a space incremental where you mine asteroids, expand your fleet, build an automated economy and defend it from pirates. Prestige for permanent upgrades, explore new star systems and turn a tiny base into a thriving space operation.

    StrategyIndieCasualSteam ↗
  7. Emojis vs Zombies

    WHY THIS

    Ranked #7 for Core Idle TD fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Core Idle TD.

    Emojis vs Zombies is an Idle Desktop Companion Zombie Defense Game! Open packs, Collect Emoji Defenders, Upgrade your squad or base and survive endless waves even while you're AFK or working!

    2026ActionStrategyIndieSteam ↗
  8. Tower.defense(): Program The Fight

    WHY THIS

    Ranked #8 for Core Idle TD fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Core Idle TD.

    Program three distinct towers with readable visual logic, then solve handcrafted tower-defense puzzles where placement, line of sight and every code block matter. No programming experience required.

    2026StrategyIndieSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Core Idle TD.

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeSteam ↗
  2. Bongo Cat

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Core Idle TD.

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableSteam ↗
  3. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Core Idle TD.

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  4. STRAFTAT

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.

    2024ActionFreeDeck PlayableSteam ↗
  5. NGU IDLE

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Core Idle TD.

    NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!

    2019IndieAdventureSimulationFreeDeck PlayableSteam ↗
  6. Travellin Cats in Paris

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Core Idle TD.

    Find 100 cats hidden in Paris, France in this cute hand-drawn hidden object game by Travellin Cats - the original viral hidden cat game creator!

    2023IndieFree To PlayCasualFreeDeck VerifiedSteam ↗
  7. Virtual Cottage

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Core Idle TD.

    Virtual Cottage gives you a comfy place to rest and be productive without any distractions. Open the game, set yourself a goal and enjoy the atmosphere.

    2020IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  8. Magic Archery

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Core Idle TD.

    Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.

    2024IndieSimulationRPGFreeDeck PlayableSteam ↗

Frequently asked about Core Idle TD

What games are most similar to Core Idle TD?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Core Idle TD are Endless Void: Idle Tower Defence, BATTLE: PARTS & POWER, Idle Digger Bots Deluxe.
Who developed Core Idle TD?
Core Idle TD was developed by CYR Games.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Core Idle TD.

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