The Game Census
Idle Monster TD cover art

Idle Monster TD

Swell Games LLC · 2021-06-20

Steam

CasualFree To PlayIndieStrategy

Modes: Single player

Releases: Mar 29, 2020 (Web browser), Dec 17, 2020 (PC (Microsoft Windows)), Oct 28, 2020 (Android), Apr 22, 2020 (iOS)

An endless Tower Defense game of epic Monsters vs evil War Machines. Unlock and upgrade tons of unique elemental Monsters (Water, Air, Earth, and Fire) to defend your home from an infinite swarm of robots. Strategize the most effective placement of Monsters to synergize their elemental abilities.

23
playing now
72%
positive of 855 reviews
Mostly Positive
steam rating
100,000–200,000
owners (SteamSpy est.)
platinum
deck/linux tier (ProtonDB)
Free
steam price (US)

23 players in-game as of 2026-08-30 05:00 UTC (census sample)

Health check

Insufficient data
  • · Not enough review history collected yet to judge health.
  • · Top 23% of 9,617 Casual games in the census by review count.

Players online

35202026-08-11 19:00 — 24 players2026-08-12 11:00 — 30 players2026-08-13 02:00 — 26 players2026-08-13 18:00 — 32 players2026-08-14 10:00 — 20 players2026-08-15 02:00 — 25 players2026-08-15 18:00 — 27 players2026-08-16 10:00 — 29 players2026-08-17 02:00 — 25 players2026-08-17 18:00 — 29 players2026-08-18 09:00 — 30 players2026-08-19 01:00 — 29 players2026-08-19 17:00 — 33 players2026-08-20 09:00 — 31 players2026-08-21 00:00 — 23 players2026-08-21 16:00 — 27 players2026-08-22 08:00 — 29 players2026-08-23 00:00 — 31 players2026-08-23 15:00 — 35 players2026-08-24 07:00 — 23 players2026-08-24 23:00 — 24 players2026-08-25 15:00 — 32 players2026-08-26 07:00 — 24 players2026-08-26 23:00 — 24 players2026-08-27 15:00 — 32 players2026-08-28 07:00 — 27 players2026-08-28 23:00 — 24 players2026-08-29 15:00 — 35 players2026-08-30 05:00 — 23 players
Concurrent players, hourly average, last 30 days (census samples).

Completion

24
achievements tracked
49.1%
earned "Respected"
8.6%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSSingle-playerSteam AchievementsIn-App PurchasesStatsFamily Sharing

1 supported languages: English

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)1,6773%24

Players tracked by Exophase (achievement/trophy trackers) — a sample of the player base, not total sales.

Player tags

2DCuteIdlerCasualCombatClickerFantasyColorfulStrategyAutomation

Census log

Computed from census-recorded observations only — dates are observation dates.

Players also track

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Similarity via IGDB.

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