The Game Census
Interloper cover art

Interloper

Monogon Games · 2015-05-21

Steam

IndieStrategy

Modes: Single player, Multiplayer · Perspectives: Bird view / Isometric

Releases: May 21, 2015 (Mac), May 21, 2015 (PC (Microsoft Windows)), May 21, 2015 (Linux)

Interloper is an online multiplayer real-time strategy game with matches that take only 5 minutes. Instead of destroying your opponent, you win by claiming domain. By predicting your opponent's movements, you corner them to claim the entire map.

Interloper is a free-to-play Indie and Strategy game released in 2015, with an estimated 20,000 to 50,000 owners and a Very Positive review sentiment (85% of 410 reviews).

1
playing now
85%
positive of 410 reviews
Very Positive
steam's rating (official)
20,000–50,000
owners (SteamSpy est.)
80/100
critic score (1 outlets, IGDB)
80/100
IGDB user rating (2 ratings)
Free
steam price (US)

1 players in-game as of 2026-10-14 22:00 UTC (census sample)

Health check

Quiet
  • · 1 players in-game at the last census sample.
  • · 14 reviews in the last 8 weeks (~2/week).
  • · Review velocity up 8% vs the prior 8 weeks.
  • · Top 18% of 49,602 Indie games in the census by review count.

Health tier since 2026-08-31

All-time low: $1.00 at Steam (2017-09-12) · bundled 1×via IsThereAnyDeal

Review momentum

PositiveNegative
323220152026Week of 2015-11-01: 6 positiveWeek of 2015-12-01: 8 positiveWeek of 2016-01-01: 3 positiveWeek of 2016-02-01: 3 positiveWeek of 2016-03-01: 7 positiveWeek of 2016-03-01: 1 negativeWeek of 2016-04-01: 2 positiveWeek of 2016-05-01: 32 positiveWeek of 2016-05-01: 5 negativeWeek of 2016-06-01: 10 positiveWeek of 2016-07-01: 4 positiveWeek of 2016-07-01: 4 negativeWeek of 2016-08-01: 25 positiveWeek of 2016-08-01: 4 negativeWeek of 2016-09-01: 6 positiveWeek of 2016-09-01: 2 negativeWeek of 2016-10-01: 3 positiveWeek of 2016-10-01: 2 negativeWeek of 2016-11-01: 5 positiveWeek of 2016-11-01: 1 negativeWeek of 2016-12-01: 3 positiveWeek of 2016-12-01: 1 negativeWeek of 2017-01-01: 4 positiveWeek of 2017-01-01: 3 negativeWeek of 2017-02-01: 1 positiveWeek of 2017-02-01: 1 negativeWeek of 2017-03-01: 2 positiveWeek of 2017-03-01: 1 negativeWeek of 2017-04-01: 3 positiveWeek of 2017-05-01: 11 positiveWeek of 2017-06-01: 12 positiveWeek of 2017-07-01: 2 positiveWeek of 2017-08-01: 1 positiveWeek of 2017-09-01: 5 positiveWeek of 2017-09-01: 1 negativeWeek of 2017-10-01: 5 positiveWeek of 2017-11-01: 6 positiveWeek of 2017-12-01: 1 positiveWeek of 2017-12-01: 1 negativeWeek of 2018-01-01: 1 negativeWeek of 2018-02-01: 1 positiveWeek of 2018-02-01: 1 negativeWeek of 2018-03-01: 1 positiveWeek of 2018-03-01: 1 negativeWeek of 2018-04-01: 2 positiveWeek of 2018-05-01: 3 positiveWeek of 2018-05-01: 2 negativeWeek of 2018-06-01: 11 positiveWeek of 2018-06-01: 6 negativeWeek of 2018-07-01: 5 positiveWeek of 2018-07-01: 1 negativeWeek of 2018-08-01: 1 positiveWeek of 2018-08-01: 1 negativeWeek of 2018-09-01: 2 positiveWeek of 2018-10-01: 3 positiveWeek of 2018-11-01: 6 positiveWeek of 2018-11-01: 1 negativeWeek of 2018-12-01: 6 positiveWeek of 2019-01-01: 4 positiveWeek of 2019-02-01: 3 positiveWeek of 2019-03-01: 1 positiveWeek of 2019-03-01: 1 negativeWeek of 2019-04-01: 3 positiveWeek of 2019-05-01: 1 positiveWeek of 2019-06-01: 1 positiveWeek of 2019-06-01: 1 negativeWeek of 2019-07-01: 3 positiveWeek of 2019-07-01: 1 negativeWeek of 2019-08-01: 1 positiveWeek of 2019-09-01: 5 positiveWeek of 2019-10-01: 2 positiveWeek of 2019-11-01: 5 positiveWeek of 2019-11-01: 1 negativeWeek of 2019-12-01: 1 negativeWeek of 2020-01-01: 1 positiveWeek of 2020-01-01: 1 negativeWeek of 2020-02-01: 3 positiveWeek of 2020-02-01: 1 negativeWeek of 2020-03-01: 4 positiveWeek of 2020-03-01: 1 negativeWeek of 2020-04-01: 2 positiveWeek of 2020-05-01: 1 positiveWeek of 2020-05-01: 1 negativeWeek of 2020-06-01: 1 positiveWeek of 2020-06-01: 1 negativeWeek of 2020-07-01: 2 positiveWeek of 2020-07-01: 1 negativeWeek of 2020-09-01: 1 positiveWeek of 2020-10-01: 2 positiveWeek of 2020-11-01: 2 positiveWeek of 2020-12-01: 2 positiveWeek of 2021-01-01: 1 positiveWeek of 2021-03-01: 3 positiveWeek of 2021-04-01: 2 positiveWeek of 2021-05-01: 3 positiveWeek of 2021-06-01: 1 negativeWeek of 2021-07-01: 1 positiveWeek of 2021-07-01: 1 negativeWeek of 2021-08-01: 1 positiveWeek of 2021-08-01: 1 negativeWeek of 2021-09-01: 1 positiveWeek of 2021-09-01: 1 negativeWeek of 2021-11-01: 2 positiveWeek of 2021-12-01: 1 positiveWeek of 2021-12-01: 1 negativeWeek of 2022-01-01: 1 positiveWeek of 2022-04-01: 1 negativeWeek of 2022-07-01: 2 positiveWeek of 2022-10-01: 3 positiveWeek of 2022-11-01: 1 positiveWeek of 2023-02-01: 1 positiveWeek of 2023-02-01: 1 negativeWeek of 2023-04-01: 1 positiveWeek of 2023-07-01: 2 positiveWeek of 2023-08-01: 1 negativeWeek of 2023-09-01: 2 positiveWeek of 2023-11-01: 2 positiveWeek of 2024-01-01: 1 positiveWeek of 2024-01-01: 1 negativeWeek of 2024-02-01: 3 positiveWeek of 2024-03-01: 1 positiveWeek of 2024-04-01: 1 positiveWeek of 2024-05-01: 1 positiveWeek of 2024-05-01: 1 negativeWeek of 2024-07-01: 2 positiveWeek of 2024-08-01: 2 positiveWeek of 2024-09-01: 1 positiveWeek of 2024-11-01: 1 positiveWeek of 2025-01-01: 1 positiveWeek of 2025-04-01: 1 positiveWeek of 2025-05-01: 3 positiveWeek of 2025-05-01: 1 negativeWeek of 2025-08-01: 1 positiveWeek of 2025-09-01: 1 positiveWeek of 2025-10-01: 3 positiveWeek of 2025-11-01: 3 positiveWeek of 2026-01-01: 1 positiveWeek of 2026-01-01: 1 negativeWeek of 2026-02-01: 1 negativeWeek of 2026-04-01: 1 positiveWeek of 2026-05-01: 1 positiveWeek of 2026-06-01: 2 positiveWeek of 2026-08-01: 2 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

102026-09-15 07:00 — 1 players2026-09-16 15:00 — 0 players2026-09-17 23:00 — 0 players2026-09-19 06:00 — 0 players2026-09-20 14:00 — 0 players2026-09-21 22:00 — 0 players2026-09-23 05:00 — 0 players2026-09-24 13:00 — 0 players2026-09-25 20:00 — 0 players2026-09-27 04:00 — 0 players2026-09-28 11:00 — 0 players2026-09-29 19:00 — 0 players2026-10-01 02:00 — 0 players2026-10-02 10:00 — 0 players2026-10-03 17:00 — 0 players2026-10-05 01:00 — 0 players2026-10-06 09:00 — 1 players2026-10-07 16:00 — 0 players2026-10-09 00:00 — 0 players2026-10-10 07:00 — 1 players2026-10-11 15:00 — 0 players2026-10-12 23:00 — 0 players2026-10-14 06:00 — 0 players2026-10-14 22:00 — 1 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$11.99$0.002015-05-212019-02-042015-05-21 — best price $9.592015-05-23 — best price $11.992015-05-24 — best price $9.592015-05-27 — best price $11.992015-05-28 — best price $11.992015-06-11 — best price $8.032015-06-22 — best price $11.992015-08-17 — best price $0.002015-11-09 — best price $6.592015-11-16 — best price $11.992015-11-18 — best price $6.592015-11-25 — best price $5.992015-12-01 — best price $11.992015-12-22 — best price $5.992016-01-04 — best price $11.992016-01-15 — best price $3.952016-01-29 — best price $11.992016-02-05 — best price $7.192016-02-12 — best price $11.992016-03-07 — best price $4.792016-03-14 — best price $11.992016-05-21 — best price $1.192016-05-28 — best price $11.992016-06-23 — best price $2.992016-07-04 — best price $11.992016-08-19 — best price $1.192016-08-26 — best price $11.992016-11-23 — best price $2.992016-11-29 — best price $11.992016-12-22 — best price $2.992017-01-02 — best price $11.992017-05-11 — best price $1.192017-05-25 — best price $11.992017-05-27 — best price $1.192017-06-03 — best price $11.992017-06-23 — best price $2.992017-07-05 — best price $11.992017-09-12 — best price $1.002018-05-29 — best price $0.002019-02-04 — best price $11.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

20
achievements tracked
10.2%
earned "Apprentice"
5.2%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSLinuxSingle-playerMulti-playerCross-Platform MultiplayerSteam AchievementsSteam Trading CardsSteam CloudStatsSteam LeaderboardsFamily Sharing

14 supported languages: English, German, Spanish - Spain, Dutch, Japanese, Portuguese - Brazil, Russian, Ukrainian, Portuguese - Portugal, Italian, French, Simplified Chinese…

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)2706%20

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

Player tags

2DRTSIndieShortStrategyFast-PacedMultiplayerGreat Soundtrack

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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