The Game Census
Summer Islands cover art

Summer Islands

Marttalin Games · 2025-01-25

Steam

CasualIndieSimulationStrategy

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

Releases: Jan 25, 2025 (Linux), Jan 25, 2025 (PC (Microsoft Windows)), Jun 21, 2019 (Mac)

Summer Islands is a holiday real-time strategy business simulator. Be the right businessman, build your holiday paradise and grab the money from your tourists. Play alone, with your friends and with computer enemies and survive natural disasters without going insolvent.

Summer Islands is a Casual, Indie, Simulation, and Strategy game released in 2025, priced at $14.99, with Very Positive reviews (81% of 197 reviews) and an estimated owner count of 0 .. 20,000.— census verdict as of 2026-09-20

81%
positive of 196 reviews
Very Positive
steam's rating (official)
0–20,000
owners (SteamSpy est.)
50/100
IGDB user rating (2 ratings)
pending
deck/linux tier (ProtonDB)
Verified
Steam Deck (Valve)
SteamOS: Playable
$14.99
steam price (US)

The holiday is in danger. Millions of vacationers find no suitable vacation. Be the right businessman and build a unique holiday paradise. Become rich and enlarge your paradise. But be on the lookout for your competitors and the unpredictable weather.(Storyline via IGDB)

Health check

Quietly active
  • · 29 reviews in the last 8 weeks (~4/week).
  • · Review velocity down 33% vs the prior 8 weeks.
  • · Top 22% of 29,255 Casual games in the census by review count.

Health tier since 2026-09-01

Estimated sales: 3.9k–8.8k copies

Review-multiple estimate from 196 total reviews — how this is computed.

All-time low: $8.39 at Steam (2026-03-06)via IsThereAnyDeal

12-month high $14.99 · on sale 8 of 16 observed days (census price snapshots)

Review momentum

PositiveNegative
9920192026Week of 2019-06-01: 8 positiveWeek of 2019-06-01: 3 negativeWeek of 2019-07-01: 1 positiveWeek of 2019-08-01: 1 negativeWeek of 2019-09-01: 1 positiveWeek of 2019-10-01: 1 positiveWeek of 2020-01-01: 1 negativeWeek of 2020-02-01: 1 positiveWeek of 2020-02-01: 2 negativeWeek of 2020-03-01: 7 positiveWeek of 2020-03-01: 1 negativeWeek of 2020-04-01: 1 negativeWeek of 2020-05-01: 1 positiveWeek of 2020-06-01: 1 negativeWeek of 2020-08-01: 2 positiveWeek of 2020-08-01: 1 negativeWeek of 2020-09-01: 2 positiveWeek of 2020-09-01: 1 negativeWeek of 2020-10-01: 2 positiveWeek of 2020-11-01: 1 positiveWeek of 2020-11-01: 1 negativeWeek of 2020-12-01: 1 positiveWeek of 2021-01-01: 4 positiveWeek of 2021-02-01: 1 positiveWeek of 2021-02-01: 1 negativeWeek of 2021-03-01: 1 positiveWeek of 2021-03-01: 2 negativeWeek of 2021-05-01: 2 positiveWeek of 2021-06-01: 1 negativeWeek of 2021-08-01: 2 positiveWeek of 2021-12-01: 3 positiveWeek of 2022-01-01: 1 positiveWeek of 2022-01-01: 2 negativeWeek of 2022-02-01: 2 positiveWeek of 2022-03-01: 1 positiveWeek of 2022-07-01: 3 positiveWeek of 2022-08-01: 1 positiveWeek of 2022-09-01: 2 positiveWeek of 2022-10-01: 1 positiveWeek of 2022-10-01: 1 negativeWeek of 2022-11-01: 1 positiveWeek of 2022-12-01: 1 positiveWeek of 2023-01-01: 1 positiveWeek of 2023-03-01: 1 positiveWeek of 2023-04-01: 1 positiveWeek of 2023-05-01: 1 positiveWeek of 2023-05-01: 1 negativeWeek of 2023-07-01: 3 positiveWeek of 2023-07-01: 1 negativeWeek of 2023-08-01: 2 positiveWeek of 2023-08-01: 1 negativeWeek of 2023-09-01: 1 negativeWeek of 2023-10-01: 1 positiveWeek of 2023-11-01: 3 positiveWeek of 2023-11-01: 1 negativeWeek of 2023-12-01: 2 positiveWeek of 2023-12-01: 1 negativeWeek of 2024-01-01: 1 positiveWeek of 2024-01-01: 2 negativeWeek of 2024-03-01: 1 positiveWeek of 2024-04-01: 4 positiveWeek of 2024-05-01: 1 positiveWeek of 2024-06-01: 5 positiveWeek of 2024-07-01: 1 positiveWeek of 2024-08-01: 5 positiveWeek of 2024-09-01: 2 positiveWeek of 2024-10-01: 3 positiveWeek of 2024-12-01: 2 positiveWeek of 2024-12-01: 1 negativeWeek of 2025-01-01: 9 positiveWeek of 2025-01-01: 1 negativeWeek of 2025-02-01: 8 positiveWeek of 2025-02-01: 2 negativeWeek of 2025-03-01: 6 positiveWeek of 2025-03-01: 1 negativeWeek of 2025-04-01: 2 positiveWeek of 2025-04-01: 1 negativeWeek of 2025-05-01: 1 positiveWeek of 2025-05-01: 1 negativeWeek of 2025-06-01: 1 positiveWeek of 2025-06-01: 1 negativeWeek of 2025-07-01: 4 positiveWeek of 2025-07-01: 3 negativeWeek of 2025-08-01: 1 positiveWeek of 2025-08-01: 1 negativeWeek of 2025-10-01: 1 positiveWeek of 2025-11-01: 7 positiveWeek of 2025-12-01: 1 positiveWeek of 2025-12-01: 1 negativeWeek of 2026-01-01: 4 positiveWeek of 2026-01-01: 2 negativeWeek of 2026-02-01: 3 positiveWeek of 2026-02-01: 1 negativeWeek of 2026-03-01: 2 positiveWeek of 2026-03-01: 2 negativeWeek of 2026-04-01: 1 negativeWeek of 2026-06-01: 4 positiveWeek of 2026-07-01: 1 positiveWeek of 2026-07-01: 2 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Price history

$19.99$8.392019-06-222026-07-272019-06-22 — best price $17.992020-01-02 — best price $19.992020-01-28 — best price $16.992020-06-25 — best price $11.552020-09-03 — best price $16.992020-11-25 — best price $12.572021-01-05 — best price $16.992021-04-05 — best price $14.992021-08-23 — best price $10.492021-11-01 — best price $14.992021-12-22 — best price $11.242022-02-03 — best price $14.992022-11-22 — best price $11.242023-01-05 — best price $14.992023-06-19 — best price $9.742023-11-21 — best price $11.242024-01-04 — best price $14.992024-03-14 — best price $11.242024-04-09 — best price $14.992024-08-20 — best price $12.742024-10-14 — best price $14.992024-12-20 — best price $11.242025-02-08 — best price $14.992025-05-26 — best price $9.892025-07-10 — best price $14.992025-09-29 — best price $9.742025-11-17 — best price $14.992026-01-19 — best price $8.542026-03-16 — best price $14.992026-05-29 — best price $8.392026-07-09 — best price $14.992026-07-27 — best price $14.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

38
achievements tracked
26.3%
earned "25 Mio €"
3.2%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsLinuxFull controller supportSingle-playerMulti-playerPvPOnline PvPLAN PvPCo-opOnline Co-opLAN Co-opSteam AchievementsFull controller support

15 supported languages: German, English, Spanish - Spain, French, Italian, Arabic, Portuguese - Brazil, Traditional Chinese, Simplified Chinese, Japanese, Korean, Polish…

Player tags

RetroCasualEconomySandboxBuildingStrategyCapitalismManagementSimulationMultiplayer

Census log

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

Recent updates

Players also track

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Similarity via IGDB.

Official site ↗