The Game Census
Idle Slayer cover art

Idle Slayer

Pablo Leban · 2020-12-21

Steam

CasualIndieStrategyFree To Play

Modes: Single player · Perspectives: Side view

Releases: Jul 27, 2020 (Android), Sep 12, 2020 (iOS), Dec 22, 2020 (PC (Microsoft Windows))

Start from nothing and grow into a legendary Slayer. Explore countless dimensions, collect souls, unlock powerful upgrades, craft powerful gear, defeat epic bosses, and enjoy a deep idle RPG with active and offline progression.

Idle Slayer is a 2020 Casual, Indie, Strategy, and Free To Play game that is free-to-play, with an estimated 500,000 .. 1,000,000 owners and a Very Positive sentiment (85% of 10731 reviews).

826
playing now
84%
positive of 11k reviews
Very Positive
steam's rating (official)
500,000–1,000,000
owners (SteamSpy est.)
0
twitch viewers (latest)
80/100
IGDB user rating (13 ratings)
41
Nexus mods (100k downloads)
gold
deck/linux tier (ProtonDB)
Verified
Steam Deck (Valve)
SteamOS: Playable
Free
steam price (US)

826 players in-game as of 2026-10-15 03:00 UTC (census sample)

Trailer

Idle Slayer trailer thumbnail

Idle Slayer Trailer

≈311,673 YouTube results for this game's trailer search

Health check

Healthy
  • · 826 players in-game at the last census sample.
  • · 1,277 reviews in the last 8 weeks (~160/week).
  • · Review velocity down 8% vs the prior 8 weeks.
  • · Top 1% of 29,219 Casual games in the census by review count.

All-time low: $3.99 at Steam (2020-07-27)via IsThereAnyDeal

12-month high $0.00 · on sale 1 of 1 observed days (census price snapshots)

Review momentum

PositiveNegative
72172120202026Week of 2020-07-01: 6 positiveWeek of 2020-07-01: 2 negativeWeek of 2020-08-01: 11 positiveWeek of 2020-08-01: 7 negativeWeek of 2020-09-01: 5 positiveWeek of 2020-10-01: 3 positiveWeek of 2020-10-01: 1 negativeWeek of 2020-11-01: 6 positiveWeek of 2020-12-01: 20 positiveWeek of 2020-12-01: 3 negativeWeek of 2021-01-01: 71 positiveWeek of 2021-01-01: 15 negativeWeek of 2021-02-01: 24 positiveWeek of 2021-02-01: 18 negativeWeek of 2021-03-01: 33 positiveWeek of 2021-03-01: 6 negativeWeek of 2021-04-01: 34 positiveWeek of 2021-04-01: 33 negativeWeek of 2021-05-01: 29 positiveWeek of 2021-05-01: 11 negativeWeek of 2021-06-01: 30 positiveWeek of 2021-06-01: 31 negativeWeek of 2021-07-01: 55 positiveWeek of 2021-07-01: 17 negativeWeek of 2021-08-01: 82 positiveWeek of 2021-08-01: 17 negativeWeek of 2021-09-01: 163 positiveWeek of 2021-09-01: 27 negativeWeek of 2021-10-01: 188 positiveWeek of 2021-10-01: 13 negativeWeek of 2021-11-01: 657 positiveWeek of 2021-11-01: 36 negativeWeek of 2021-12-01: 222 positiveWeek of 2021-12-01: 18 negativeWeek of 2022-01-01: 181 positiveWeek of 2022-01-01: 30 negativeWeek of 2022-02-01: 137 positiveWeek of 2022-02-01: 21 negativeWeek of 2022-03-01: 148 positiveWeek of 2022-03-01: 36 negativeWeek of 2022-04-01: 136 positiveWeek of 2022-04-01: 28 negativeWeek of 2022-05-01: 95 positiveWeek of 2022-05-01: 28 negativeWeek of 2022-06-01: 118 positiveWeek of 2022-06-01: 27 negativeWeek of 2022-07-01: 93 positiveWeek of 2022-07-01: 18 negativeWeek of 2022-08-01: 106 positiveWeek of 2022-08-01: 36 negativeWeek of 2022-09-01: 81 positiveWeek of 2022-09-01: 19 negativeWeek of 2022-10-01: 101 positiveWeek of 2022-10-01: 12 negativeWeek of 2022-11-01: 154 positiveWeek of 2022-11-01: 16 negativeWeek of 2022-12-01: 146 positiveWeek of 2022-12-01: 22 negativeWeek of 2023-01-01: 162 positiveWeek of 2023-01-01: 21 negativeWeek of 2023-02-01: 157 positiveWeek of 2023-02-01: 23 negativeWeek of 2023-03-01: 162 positiveWeek of 2023-03-01: 25 negativeWeek of 2023-04-01: 154 positiveWeek of 2023-04-01: 29 negativeWeek of 2023-05-01: 188 positiveWeek of 2023-05-01: 21 negativeWeek of 2023-06-01: 177 positiveWeek of 2023-06-01: 23 negativeWeek of 2023-07-01: 185 positiveWeek of 2023-07-01: 25 negativeWeek of 2023-08-01: 161 positiveWeek of 2023-08-01: 26 negativeWeek of 2023-09-01: 156 positiveWeek of 2023-09-01: 24 negativeWeek of 2023-10-01: 181 positiveWeek of 2023-10-01: 30 negativeWeek of 2023-11-01: 344 positiveWeek of 2023-11-01: 43 negativeWeek of 2023-12-01: 168 positiveWeek of 2023-12-01: 35 negativeWeek of 2024-01-01: 166 positiveWeek of 2024-01-01: 27 negativeWeek of 2024-02-01: 142 positiveWeek of 2024-02-01: 25 negativeWeek of 2024-03-01: 189 positiveWeek of 2024-03-01: 27 negativeWeek of 2024-04-01: 135 positiveWeek of 2024-04-01: 14 negativeWeek of 2024-05-01: 142 positiveWeek of 2024-05-01: 18 negativeWeek of 2024-06-01: 155 positiveWeek of 2024-06-01: 24 negativeWeek of 2024-07-01: 190 positiveWeek of 2024-07-01: 45 negativeWeek of 2024-08-01: 155 positiveWeek of 2024-08-01: 23 negativeWeek of 2024-09-01: 116 positiveWeek of 2024-09-01: 26 negativeWeek of 2024-10-01: 163 positiveWeek of 2024-10-01: 25 negativeWeek of 2024-11-01: 179 positiveWeek of 2024-11-01: 37 negativeWeek of 2024-12-01: 177 positiveWeek of 2024-12-01: 50 negativeWeek of 2025-01-01: 719 positiveWeek of 2025-01-01: 721 negativeWeek of 2025-02-01: 154 positiveWeek of 2025-02-01: 49 negativeWeek of 2025-03-01: 157 positiveWeek of 2025-03-01: 56 negativeWeek of 2025-04-01: 136 positiveWeek of 2025-04-01: 16 negativeWeek of 2025-05-01: 147 positiveWeek of 2025-05-01: 38 negativeWeek of 2025-06-01: 177 positiveWeek of 2025-06-01: 26 negativeWeek of 2025-07-01: 139 positiveWeek of 2025-07-01: 21 negativeWeek of 2025-08-01: 145 positiveWeek of 2025-08-01: 26 negativeWeek of 2025-09-01: 105 positiveWeek of 2025-09-01: 18 negativeWeek of 2025-10-01: 170 positiveWeek of 2025-10-01: 39 negativeWeek of 2025-11-01: 163 positiveWeek of 2025-11-01: 26 negativeWeek of 2025-12-01: 143 positiveWeek of 2025-12-01: 27 negativeWeek of 2026-01-01: 131 positiveWeek of 2026-01-01: 35 negativeWeek of 2026-02-01: 121 positiveWeek of 2026-02-01: 30 negativeWeek of 2026-03-01: 129 positiveWeek of 2026-03-01: 20 negativeWeek of 2026-04-01: 109 positiveWeek of 2026-04-01: 29 negativeWeek of 2026-05-01: 109 positiveWeek of 2026-05-01: 36 negativeWeek of 2026-06-01: 165 positiveWeek of 2026-06-01: 49 negativeWeek of 2026-07-01: 108 positiveWeek of 2026-07-01: 36 negativeWeek of 2026-08-01: 24 positiveWeek of 2026-08-01: 7 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

1.3k7572026-09-15 12:00 — 1,123 players2026-09-16 21:00 — 1,108 players2026-09-18 04:00 — 798 players2026-09-19 12:00 — 1,136 players2026-09-20 19:00 — 1,176 players2026-09-22 03:00 — 881 players2026-09-23 10:00 — 977 players2026-09-24 18:00 — 1,263 players2026-09-26 01:00 — 986 players2026-09-27 09:00 — 1,166 players2026-09-28 16:00 — 1,295 players2026-09-30 00:00 — 993 players2026-10-01 07:00 — 939 players2026-10-02 15:00 — 1,198 players2026-10-03 23:00 — 972 players2026-10-05 07:00 — 851 players2026-10-06 14:00 — 1,138 players2026-10-07 22:00 — 1,130 players2026-10-09 05:00 — 803 players2026-10-10 13:00 — 1,238 players2026-10-11 20:00 — 1,170 players2026-10-13 04:00 — 794 players2026-10-14 11:00 — 1,064 players2026-10-15 03:00 — 826 players
Concurrent players, hourly average, last 30 days (census samples).
1.3k18Aug 2020Aug 2026Aug 2020 — avg 45 · peak 94Oct 2020 — avg 18 · peak 34Dec 2020 — avg 83 · peak 396Feb 2021 — avg 322 · peak 427Apr 2021 — avg 179 · peak 264Jun 2021 — avg 176 · peak 369Aug 2021 — avg 474 · peak 797Oct 2021 — avg 698 · peak 955Dec 2021 — avg 663 · peak 904Feb 2022 — avg 728 · peak 954Apr 2022 — avg 849 · peak 1,440Jun 2022 — avg 683 · peak 920Aug 2022 — avg 674 · peak 952Oct 2022 — avg 667 · peak 924Dec 2022 — avg 722 · peak 1,019Feb 2023 — avg 914 · peak 1,229Apr 2023 — avg 898 · peak 1,216Jun 2023 — avg 916 · peak 1,211Aug 2023 — avg 826 · peak 1,101Oct 2023 — avg 890 · peak 1,406Dec 2023 — avg 1,080 · peak 1,514Feb 2024 — avg 1,042 · peak 1,343Apr 2024 — avg 1,019 · peak 1,349Jun 2024 — avg 964 · peak 1,526Aug 2024 — avg 1,141 · peak 1,454Oct 2024 — avg 1,203 · peak 1,799Dec 2024 — avg 1,161 · peak 1,582Feb 2025 — avg 1,235 · peak 1,608Apr 2025 — avg 1,184 · peak 1,594Jun 2025 — avg 1,288 · peak 1,657Aug 2025 — avg 1,246 · peak 1,606Oct 2025 — avg 1,085 · peak 1,502Dec 2025 — avg 966 · peak 1,249Feb 2026 — avg 1,009 · peak 1,454Apr 2026 — avg 1,006 · peak 1,330Jun 2026 — avg 1,244 · peak 1,743Aug 2026 — avg 1,157 · peak 1,514
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Chart history

PositiveNegative
992026-09-212026-10-152026-09-21: 6 new positive2026-09-21: 6 new negative2026-09-22: 7 new positive2026-09-22: 1 new negative2026-09-23: 2 new positive2026-09-23: 1 new negative2026-09-24: 2 new positive2026-09-24: 2 new negative2026-09-26: 4 new positive2026-09-26: 1 new negative2026-09-27: 4 new positive2026-09-27: 2 new negative2026-09-28: 1 new positive2026-09-28: 2 new negative2026-09-29: 4 new positive2026-09-30: 9 new positive2026-09-30: 2 new negative2026-10-01: 2 new positive2026-10-01: 1 new negative2026-10-02: 6 new positive2026-10-02: 1 new negative2026-10-03: 4 new positive2026-10-04: 1 new positive2026-10-05: 4 new positive2026-10-06: 3 new positive2026-10-08: 1 new positive2026-10-08: 1 new negative2026-10-09: 3 new positive2026-10-10: 5 new positive2026-10-10: 1 new negative2026-10-11: 2 new positive2026-10-12: 3 new positive2026-10-12: 1 new negative2026-10-13: 1 new positive2026-10-13: 2 new negative2026-10-14: 1 new positive2026-10-15: 3 new positive
New Steam reviews per day (census review snapshots). Positive above the line, negative below.

Twitch viewers

1102026-10-01 05:34 — 0 viewers2026-10-01 14:34 — 0 viewers2026-10-01 23:34 — 0 viewers2026-10-02 08:34 — 0 viewers2026-10-02 17:34 — 0 viewers2026-10-03 02:34 — 0 viewers2026-10-03 11:34 — 0 viewers2026-10-03 20:34 — 0 viewers2026-10-04 05:34 — 3 viewers2026-10-04 14:34 — 0 viewers2026-10-04 23:34 — 0 viewers2026-10-05 08:34 — 0 viewers2026-10-05 17:34 — 0 viewers2026-10-06 02:34 — 0 viewers2026-10-06 11:34 — 0 viewers2026-10-06 20:34 — 0 viewers2026-10-07 05:34 — 0 viewers2026-10-07 14:34 — 0 viewers2026-10-07 23:34 — 0 viewers2026-10-08 08:34 — 0 viewers2026-10-08 17:34 — 0 viewers2026-10-09 02:34 — 0 viewers2026-10-09 11:34 — 0 viewers2026-10-09 20:35 — 0 viewers2026-10-10 05:34 — 0 viewers2026-10-10 14:34 — 0 viewers2026-10-10 23:34 — 0 viewers2026-10-11 08:34 — 0 viewers2026-10-11 17:34 — 0 viewers2026-10-12 02:34 — 0 viewers2026-10-12 11:34 — 0 viewers2026-10-12 20:34 — 0 viewers2026-10-13 05:34 — 0 viewers2026-10-13 14:34 — 0 viewers2026-10-13 23:34 — 0 viewers2026-10-14 08:34 — 0 viewers2026-10-14 17:34 — 0 viewers2026-10-15 02:34 — 0 viewers2026-10-15 04:34 — 0 viewers
Hourly Twitch viewers (census snapshots).

Completion

60+
achievements tracked
81%
earned "A Warm Welcome"
61.5%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerSteam AchievementsSteam Trading CardsIn-App PurchasesHDR availableFamily Sharing

29 supported languages: English, French, Italian, German, Spanish - Spain, Czech, Hungarian, Polish, Portuguese - Brazil, Spanish - Latin America, Korean, Portuguese - Portugal…

Where its players are

Share of Steam reviews by language (top languages measured) — a proxy for where the player base lives.

Player tags

2DIdlerIndieRetroCasualClickerMedievalStrategyNonlinearOld School

Census log

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

Recent updates

Players also track

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Similarity via IGDB.

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