The Game Census
Lemma cover art

Lemma

Helvetica Scenario · 2015-05-12

Steam

ActionAdventureIndie

Modes: Single player

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.

0
playing now
82%
positive of 250 reviews
Very Positive
steam rating
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)
$14.99
steam price (US)

0 players in-game as of 2026-08-30 12:00 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 55% of 10,862 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 4 of 8 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

102026-08-12 00:00 — 0 players2026-08-12 16:00 — 0 players2026-08-13 08:00 — 0 players2026-08-13 23:00 — 0 players2026-08-14 15:00 — 0 players2026-08-15 07:00 — 0 players2026-08-15 23:00 — 0 players2026-08-16 15:00 — 0 players2026-08-17 07:00 — 1 players2026-08-17 23:00 — 0 players2026-08-18 15:00 — 0 players2026-08-19 06:00 — 0 players2026-08-19 22:00 — 0 players2026-08-20 14:00 — 0 players2026-08-21 06:00 — 0 players2026-08-21 21:00 — 0 players2026-08-22 13:00 — 0 players2026-08-23 05:00 — 0 players2026-08-23 21:00 — 0 players2026-08-24 13:00 — 0 players2026-08-25 05:00 — 0 players2026-08-25 20:00 — 0 players2026-08-26 12:00 — 0 players2026-08-27 04:00 — 0 players2026-08-27 20:00 — 0 players2026-08-28 12:00 — 0 players2026-08-29 04:00 — 0 players2026-08-29 20:00 — 0 players2026-08-30 12:00 — 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

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 TwiceToby: The Secret MineOmensight: Definitive EditionCitadel: Forged with FireEternity: The Last UnicornApsulov: End of GodsTorchlight III

Similarity via IGDB.

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