The Game Census
Lemma cover art

Lemma

Helvetica Scenario · 2015-05-12

Steam

ActionAdventureIndie

Modes: Single player · Perspectives: First person, Virtual Reality

Releases: Apr 02, 2015 (PC (Microsoft Windows))

Immersive first-person parkour in a surreal, physics-driven voxel world. Every move can modify the environment. Surfaces pop in and out of existence at will.

Lemma is an Action, Adventure and Indie game released in 2015, priced at $14.99, with an estimated owner base of 20,000 .. 50,000 and a Very Positive review sentiment (82% of 250 reviews).

0
playing now
82%
positive of 250 reviews
Very Positive
steam's rating (official)
20,000–50,000
owners (SteamSpy est.)
75/100
critic score (1 outlets, IGDB)
80/100
IGDB user rating (2 ratings)
silver
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$14.99
steam price (US)

0 players in-game as of 2026-10-14 23:00 UTC (census sample)

Health check

Quiet
  • · 0 players in-game at the last census sample.
  • · 5 reviews in the last 8 weeks (~1/week).
  • · Review velocity down 37% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (35 reviews).
  • · Top 27% of 27,808 Action games in the census by review count.
Estimated sales: 6.3k–15k copies

Review-multiple estimate from 250 total reviews — how this is computed.

All-time low: $3.74 at Steam (2023-12-21) · bundled 1×via IsThereAnyDeal

12-month high $14.99 · on sale 3 of 6 observed days (census price snapshots)

Review momentum

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

Players online

102026-09-15 08:00 — 0 players2026-09-16 16:00 — 0 players2026-09-17 23:00 — 0 players2026-09-19 07:00 — 0 players2026-09-20 14:00 — 0 players2026-09-21 22:00 — 0 players2026-09-23 06:00 — 0 players2026-09-24 13:00 — 0 players2026-09-25 21:00 — 0 players2026-09-27 04:00 — 0 players2026-09-28 12:00 — 0 players2026-09-29 19:00 — 0 players2026-10-01 03:00 — 0 players2026-10-02 10:00 — 0 players2026-10-03 18:00 — 0 players2026-10-05 02:00 — 0 players2026-10-06 09:00 — 0 players2026-10-07 17:00 — 0 players2026-10-09 00:00 — 0 players2026-10-10 08:00 — 0 players2026-10-11 15:00 — 0 players2026-10-12 23:00 — 0 players2026-10-14 07:00 — 0 players2026-10-14 23:00 — 0 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$14.99$3.742015-05-122026-07-092015-05-12 — best price $13.492015-05-19 — best price $14.992015-06-17 — best price $11.992015-11-02 — best price $14.992015-11-25 — best price $9.892016-01-04 — best price $14.992016-04-07 — best price $7.492016-06-28 — best price $6.502016-11-29 — best price $14.992017-03-02 — best price $14.992017-11-22 — best price $9.892018-01-04 — best price $14.992018-06-22 — best price $7.492018-11-01 — best price $14.992018-12-20 — best price $7.492019-07-09 — best price $14.992019-11-26 — best price $10.042020-01-02 — best price $14.992020-10-29 — best price $7.492020-12-01 — best price $14.992021-02-11 — best price $9.892021-07-08 — best price $14.992021-12-22 — best price $7.492022-02-03 — best price $14.992022-11-22 — best price $9.892023-01-05 — best price $14.992023-06-29 — best price $7.492024-01-04 — best price $14.992024-06-27 — best price $3.742024-12-04 — best price $14.992025-03-13 — best price $7.492025-07-10 — best price $14.992025-12-18 — best price $7.492026-03-26 — best price $14.992026-07-09 — best price $14.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

13
achievements tracked
65.9%
earned "Shiny"
3.3%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsFull controller supportSingle-playerSteam AchievementsFull controller supportSteam Trading CardsVR SupportSteam WorkshopSteam CloudStatsSteam LeaderboardsIncludes level editor1 DLC

6 supported languages: English, Polish, Spanish - Spain, Hungarian, Turkish, French

Post-launch support: 1 DLC released, first 2015-07-08 (Steam store data)

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)1,5372%13

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

Player tags

VRIndieVoxelActionParkourSurrealAdventurePlatformerFirst-PersonSingleplayer

Census log

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

Recent updates

Players also track

Wanderlust AdventuresDon't Knock TwiceTanziaToby: The Secret MineOmensight: Definitive EditionCitadel: Forged with FireEternity: The Last UnicornApsulov: End of Gods

Similarity via IGDB.

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