The Game Census
Universe Sandbox cover art

Universe Sandbox

Giant Army · 2015-08-24

SteamGOGEpic Games StoreMicrosoft Store

CasualIndieSimulationEarly Access

Modes: Single player

Releases: Aug 24, 2015 (Linux), Aug 24, 2015 (Mac), May 2008 (PC (Microsoft Windows))

Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.

449
playing now
96%
positive of 32k reviews
Overwhelmingly Positive
steam rating
1,000,000–2,000,000
owners (SteamSpy est.)
0
twitch viewers (latest)
78/100
IGDB user rating (33 ratings)
gold
deck/linux tier (ProtonDB)
$20.09
steam price (US)

449 players in-game as of 2026-08-30 01:00 UTC (census sample)

Health check

Healthy
  • · 449 players in-game at the last census sample.
  • · 2,649 reviews in the last 8 weeks (~331/week).
  • · Review velocity up 10% vs the prior 8 weeks.
  • · Top 2% of 9,562 Casual games in the census by review count.

Health tier since 2026-08-29

Estimated sales: 801k–1.9M copies

Review-multiple estimate from 32,059 total reviews — how this is computed.

Current store prices

GOG$20.09-33%
lowest across shops (ITAD)$20.09-33%
Microsoft Store$29.99

Deal snapshots via CheapShark, refreshed daily.

All-time low: $13.37 at GreenManGaming (2018-07-19) · bundled 1×via IsThereAnyDeal

12-month high $29.99 · on sale 103 of 131 observed days · $6.72 above the all-time low (census price snapshots)

Review momentum

PositiveNegative
69569520182026Week of 2018-01-01: 85 positiveWeek of 2018-01-01: 2 negativeWeek of 2018-02-01: 72 positiveWeek of 2018-02-01: 9 negativeWeek of 2018-03-01: 73 positiveWeek of 2018-03-01: 7 negativeWeek of 2018-04-01: 56 positiveWeek of 2018-04-01: 3 negativeWeek of 2018-05-01: 46 positiveWeek of 2018-05-01: 5 negativeWeek of 2018-06-01: 74 positiveWeek of 2018-06-01: 4 negativeWeek of 2018-07-01: 109 positiveWeek of 2018-07-01: 8 negativeWeek of 2018-08-01: 115 positiveWeek of 2018-08-01: 7 negativeWeek of 2018-09-01: 63 positiveWeek of 2018-09-01: 6 negativeWeek of 2018-10-01: 42 positiveWeek of 2018-10-01: 6 negativeWeek of 2018-11-01: 184 positiveWeek of 2018-11-01: 7 negativeWeek of 2018-12-01: 83 positiveWeek of 2018-12-01: 7 negativeWeek of 2019-01-01: 97 positiveWeek of 2019-01-01: 7 negativeWeek of 2019-02-01: 95 positiveWeek of 2019-02-01: 4 negativeWeek of 2019-03-01: 64 positiveWeek of 2019-03-01: 8 negativeWeek of 2019-04-01: 72 positiveWeek of 2019-04-01: 8 negativeWeek of 2019-05-01: 49 positiveWeek of 2019-05-01: 4 negativeWeek of 2019-06-01: 176 positiveWeek of 2019-06-01: 7 negativeWeek of 2019-07-01: 208 positiveWeek of 2019-07-01: 9 negativeWeek of 2019-08-01: 47 positiveWeek of 2019-08-01: 8 negativeWeek of 2019-09-01: 43 positiveWeek of 2019-09-01: 7 negativeWeek of 2019-10-01: 92 positiveWeek of 2019-10-01: 5 negativeWeek of 2019-11-01: 695 positiveWeek of 2019-11-01: 14 negativeWeek of 2019-12-01: 368 positiveWeek of 2019-12-01: 7 negativeWeek of 2020-01-01: 334 positiveWeek of 2020-01-01: 10 negativeWeek of 2020-02-01: 252 positiveWeek of 2020-02-01: 4 negativeWeek of 2020-03-01: 352 positiveWeek of 2020-03-01: 10 negativeWeek of 2020-04-01: 294 positiveWeek of 2020-04-01: 17 negativeWeek of 2020-05-01: 284 positiveWeek of 2020-05-01: 8 negativeWeek of 2020-06-01: 258 positiveWeek of 2020-06-01: 9 negativeWeek of 2020-07-01: 307 positiveWeek of 2020-07-01: 7 negativeWeek of 2020-08-01: 245 positiveWeek of 2020-08-01: 11 negativeWeek of 2020-09-01: 290 positiveWeek of 2020-09-01: 7 negativeWeek of 2020-10-01: 305 positiveWeek of 2020-10-01: 8 negativeWeek of 2020-11-01: 294 positiveWeek of 2020-11-01: 11 negativeWeek of 2020-12-01: 346 positiveWeek of 2020-12-01: 13 negativeWeek of 2021-01-01: 329 positiveWeek of 2021-01-01: 10 negativeWeek of 2021-02-01: 306 positiveWeek of 2021-02-01: 11 negativeWeek of 2021-03-01: 245 positiveWeek of 2021-03-01: 11 negativeWeek of 2021-04-01: 235 positiveWeek of 2021-04-01: 11 negativeWeek of 2021-05-01: 362 positiveWeek of 2021-05-01: 21 negativeWeek of 2021-06-01: 266 positiveWeek of 2021-06-01: 12 negativeWeek of 2021-07-01: 339 positiveWeek of 2021-07-01: 10 negativeWeek of 2021-08-01: 244 positiveWeek of 2021-08-01: 11 negativeWeek of 2021-09-01: 227 positiveWeek of 2021-09-01: 12 negativeWeek of 2021-10-01: 246 positiveWeek of 2021-10-01: 8 negativeWeek of 2021-11-01: 307 positiveWeek of 2021-11-01: 10 negativeWeek of 2021-12-01: 316 positiveWeek of 2021-12-01: 9 negativeWeek of 2022-01-01: 294 positiveWeek of 2022-01-01: 15 negativeWeek of 2022-02-01: 217 positiveWeek of 2022-02-01: 3 negativeWeek of 2022-03-01: 208 positiveWeek of 2022-03-01: 9 negativeWeek of 2022-04-01: 194 positiveWeek of 2022-04-01: 9 negativeWeek of 2022-05-01: 215 positiveWeek of 2022-05-01: 6 negativeWeek of 2022-06-01: 244 positiveWeek of 2022-06-01: 7 negativeWeek of 2022-07-01: 185 positiveWeek of 2022-07-01: 10 negativeWeek of 2022-08-01: 245 positiveWeek of 2022-08-01: 12 negativeWeek of 2022-09-01: 200 positiveWeek of 2022-09-01: 5 negativeWeek of 2022-10-01: 247 positiveWeek of 2022-10-01: 13 negativeWeek of 2022-11-01: 294 positiveWeek of 2022-11-01: 11 negativeWeek of 2022-12-01: 285 positiveWeek of 2022-12-01: 7 negativeWeek of 2023-01-01: 246 positiveWeek of 2023-01-01: 6 negativeWeek of 2023-02-01: 237 positiveWeek of 2023-02-01: 5 negativeWeek of 2023-03-01: 319 positiveWeek of 2023-03-01: 9 negativeWeek of 2023-04-01: 268 positiveWeek of 2023-04-01: 15 negativeWeek of 2023-05-01: 224 positiveWeek of 2023-05-01: 15 negativeWeek of 2023-06-01: 261 positiveWeek of 2023-06-01: 8 negativeWeek of 2023-07-01: 303 positiveWeek of 2023-07-01: 14 negativeWeek of 2023-08-01: 258 positiveWeek of 2023-08-01: 15 negativeWeek of 2023-09-01: 218 positiveWeek of 2023-09-01: 2 negativeWeek of 2023-10-01: 236 positiveWeek of 2023-10-01: 9 negativeWeek of 2023-11-01: 256 positiveWeek of 2023-11-01: 10 negativeWeek of 2023-12-01: 345 positiveWeek of 2023-12-01: 13 negativeWeek of 2024-01-01: 265 positiveWeek of 2024-01-01: 15 negativeWeek of 2024-02-01: 238 positiveWeek of 2024-02-01: 10 negativeWeek of 2024-03-01: 272 positiveWeek of 2024-03-01: 15 negativeWeek of 2024-04-01: 265 positiveWeek of 2024-04-01: 12 negativeWeek of 2024-05-01: 267 positiveWeek of 2024-05-01: 12 negativeWeek of 2024-06-01: 286 positiveWeek of 2024-06-01: 17 negativeWeek of 2024-07-01: 257 positiveWeek of 2024-07-01: 10 negativeWeek of 2024-08-01: 208 positiveWeek of 2024-08-01: 10 negativeWeek of 2024-09-01: 242 positiveWeek of 2024-09-01: 8 negativeWeek of 2024-10-01: 217 positiveWeek of 2024-10-01: 7 negativeWeek of 2024-11-01: 272 positiveWeek of 2024-11-01: 7 negativeWeek of 2024-12-01: 294 positiveWeek of 2024-12-01: 11 negativeWeek of 2025-01-01: 327 positiveWeek of 2025-01-01: 17 negativeWeek of 2025-02-01: 264 positiveWeek of 2025-02-01: 14 negativeWeek of 2025-03-01: 377 positiveWeek of 2025-03-01: 24 negativeWeek of 2025-04-01: 315 positiveWeek of 2025-04-01: 12 negativeWeek of 2025-05-01: 287 positiveWeek of 2025-05-01: 15 negativeWeek of 2025-06-01: 269 positiveWeek of 2025-06-01: 8 negativeWeek of 2025-07-01: 249 positiveWeek of 2025-07-01: 13 negativeWeek of 2025-08-01: 303 positiveWeek of 2025-08-01: 18 negativeWeek of 2025-09-01: 261 positiveWeek of 2025-09-01: 10 negativeWeek of 2025-10-01: 292 positiveWeek of 2025-10-01: 18 negativeWeek of 2025-11-01: 320 positiveWeek of 2025-11-01: 12 negativeWeek of 2025-12-01: 383 positiveWeek of 2025-12-01: 11 negativeWeek of 2026-01-01: 347 positiveWeek of 2026-01-01: 16 negativeWeek of 2026-02-01: 294 positiveWeek of 2026-02-01: 6 negativeWeek of 2026-03-01: 310 positiveWeek of 2026-03-01: 13 negativeWeek of 2026-04-01: 336 positiveWeek of 2026-04-01: 16 negativeWeek of 2026-05-01: 325 positiveWeek of 2026-05-01: 12 negativeWeek of 2026-06-01: 279 positiveWeek of 2026-06-01: 16 negativeWeek of 2026-07-01: 279 positiveWeek of 2026-07-01: 6 negativeWeek of 2026-08-01: 230 positiveWeek of 2026-08-01: 13 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

5721962026-08-06 21:00 — 389 players2026-08-07 05:00 — 245 players2026-08-07 13:00 — 307 players2026-08-07 21:00 — 350 players2026-08-08 05:00 — 278 players2026-08-08 13:00 — 374 players2026-08-08 21:00 — 394 players2026-08-09 05:00 — 270 players2026-08-09 13:00 — 350 players2026-08-09 21:00 — 416 players2026-08-10 05:00 — 232 players2026-08-10 13:00 — 324 players2026-08-10 21:00 — 360 players2026-08-11 05:00 — 196 players2026-08-11 13:00 — 306 players2026-08-12 21:00 — 370 players2026-08-14 05:00 — 246 players2026-08-15 12:00 — 350 players2026-08-16 20:00 — 406 players2026-08-18 04:00 — 258 players2026-08-19 11:00 — 289 players2026-08-20 19:00 — 454 players2026-08-22 02:00 — 408 players2026-08-23 10:00 — 375 players2026-08-24 18:00 — 420 players2026-08-26 02:00 — 325 players2026-08-27 10:00 — 304 players2026-08-28 17:00 — 402 players2026-08-30 01:00 — 449 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$29.99$16.742015-01-012026-08-302015-01-01 — best price $24.992016-11-21 — best price $19.992017-07-05 — best price $24.992018-01-11 — best price $18.742018-07-16 — best price $24.992018-12-17 — best price $24.992019-06-17 — best price $18.742020-01-03 — best price $29.992020-05-01 — best price $22.492020-08-05 — best price $26.882020-10-09 — best price $29.992020-11-27 — best price $20.092021-02-15 — best price $29.992021-04-12 — best price $25.382021-05-27 — best price $20.092021-10-03 — best price $29.992022-01-16 — best price $25.382022-03-15 — best price $29.992022-05-16 — best price $29.992022-07-28 — best price $29.992022-10-22 — best price $20.092023-01-10 — best price $20.092023-04-24 — best price $29.992023-07-18 — best price $23.892023-10-15 — best price $23.892024-01-13 — best price $22.042024-04-10 — best price $20.092024-06-19 — best price $20.092024-09-21 — best price $29.992024-12-18 — best price $20.092025-02-26 — best price $22.042025-05-09 — best price $20.092025-07-29 — best price $22.042025-10-23 — best price $20.092026-02-02 — best price $23.882026-04-15 — best price $19.992026-07-19 — best price $22.462026-08-30 — best price $20.09
Lowest recorded price across tracked stores, per day (census snapshots).

Twitch viewers

602026-08-29 02:34 — 0 viewers2026-08-29 03:34 — 0 viewers2026-08-29 04:34 — 0 viewers2026-08-29 05:34 — 0 viewers2026-08-29 06:34 — 0 viewers2026-08-29 07:34 — 0 viewers2026-08-29 08:34 — 0 viewers2026-08-29 09:34 — 0 viewers2026-08-29 10:34 — 0 viewers2026-08-29 11:34 — 0 viewers2026-08-29 12:35 — 0 viewers2026-08-29 13:34 — 0 viewers2026-08-29 14:34 — 0 viewers2026-08-29 15:34 — 0 viewers2026-08-29 16:34 — 0 viewers2026-08-29 17:34 — 0 viewers2026-08-29 18:34 — 0 viewers2026-08-29 20:34 — 0 viewers2026-08-29 21:34 — 0 viewers2026-08-29 22:34 — 0 viewers2026-08-29 23:34 — 0 viewers2026-08-30 00:34 — 0 viewers2026-08-30 01:34 — 0 viewers2026-08-30 02:34 — 2 viewers2026-08-30 03:34 — 0 viewers2026-08-30 04:34 — 0 viewers2026-08-30 05:34 — 6 viewers2026-08-30 06:34 — 0 viewers2026-08-30 07:34 — 0 viewers2026-08-30 08:34 — 0 viewers2026-08-30 09:34 — 0 viewers2026-08-30 10:34 — 0 viewers2026-08-30 11:34 — 0 viewers2026-08-30 12:34 — 0 viewers2026-08-30 13:34 — 0 viewers2026-08-30 14:34 — 0 viewers2026-08-30 15:34 — 0 viewers
Hourly Twitch viewers (census snapshots).

Details

WindowsmacOSSingle-playerSteam WorkshopAdjustable Text SizeCustom Volume ControlsMouse Only OptionPlayable without Timed InputSave AnytimeTouch Only OptionPartial Controller SupportSteam Cloud

28 supported languages: English, French, Italian, German, Spanish - Spain, Czech, Danish, Dutch, Finnish, Hungarian, Japanese, Korean…

Where its players are

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

Player tags

SpacePhysicsSandboxScienceGod GameRelaxingEducationRealisticSpace SimOpen World

Census log

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

Players also track

Unclaimed WorldASTRONEEREmpyrion - Galactic SurvivalSol 0: Mars ColonizationForce of NatureDude SimulatorRise of IndustryJunkyard Simulator

Similarity via IGDB.

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