The Game Census
The Legend of Bum-Bo cover art

The Legend of Bum-Bo

Edmund McMillen · 2019-11-12

SteamGOGPlayStation StoreEpic Games StoreMicrosoft Store

AdventureIndieStrategy

Modes: Single player · Perspectives: First person

Releases: TBD (iOS), Jun 29, 2022 (Nintendo Switch), Nov 12, 2019 (PC (Microsoft Windows)), Jun 29, 2022 (PlayStation 5), Jun 29, 2022 (Xbox Series X|S)

A puzzle based deck building rogue-like prequel to The Binding of Isaac... Made of cardboard!

The Legend of Bum-Bo is an Adventure, Indie, Strategy game released in 2019, priced at $14.99, with an estimated 1,000,000 .. 2,000,000 owners and a Very Positive review sentiment (81% of 5935 reviews).

12
playing now
81%
positive of 5.9k reviews
Very Positive
steam's rating (official)
1,000,000–2,000,000
owners (SteamSpy est.)
72/100
critic score (1 outlets, IGDB)
60/100
IGDB user rating (12 ratings)
4.05★
PlayStation Store rating (64 ratings)
gold
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$14.99
steam price (US)

12 players in-game as of 2026-10-14 11:00 UTC (census sample)

The Legend of Bum-bo is a 2019 roguelike deck-building game developed by designer Edmund McMillen and programmer James Interactive. The game was released for Microsoft Windows via Steam in November 2019 and Android by The Label in December 2020, and for Nintendo Switch, PlayStation 5, Xbox Series X/S by Nicalis in June 2022. The game is a prequel to McMillen's previous roguelike video game The Binding of Isaac.

Trailer

The Legend of Bum-Bo trailer thumbnail

The Legend of Bum-bo Official Trailer

≈432,579 YouTube results for this game's trailer search

Health check

Quietly active
  • · 12 players in-game at the last census sample.
  • · 108 reviews in the last 8 weeks (~14/week).
  • · Review velocity down 4% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (3,316 reviews).
  • · Top 5% of 28,739 Adventure games in the census by review count.

Health tier since 2026-08-30

Estimated sales: 149k–357k copies

Review-multiple estimate from 5,943 total reviews — how this is computed.

Current store prices

GOG$14.99
Microsoft Store$19.99

Deal snapshots via CheapShark, refreshed daily.

All-time low: $2.99 at GOG (2023-12-13)via IsThereAnyDeal

12-month high $14.99 · on sale 3 of 52 observed days · $12.00 above the all-time low (census price snapshots)

Review momentum

PositiveNegative
2.8k2.8k20192026Week of 2019-11-01: 2,780 positiveWeek of 2019-11-01: 536 negativeWeek of 2019-12-01: 480 positiveWeek of 2019-12-01: 73 negativeWeek of 2020-01-01: 102 positiveWeek of 2020-01-01: 31 negativeWeek of 2020-02-01: 44 positiveWeek of 2020-02-01: 14 negativeWeek of 2020-03-01: 56 positiveWeek of 2020-03-01: 31 negativeWeek of 2020-04-01: 44 positiveWeek of 2020-04-01: 25 negativeWeek of 2020-05-01: 29 positiveWeek of 2020-05-01: 17 negativeWeek of 2020-06-01: 28 positiveWeek of 2020-06-01: 17 negativeWeek of 2020-07-01: 50 positiveWeek of 2020-07-01: 25 negativeWeek of 2020-08-01: 32 positiveWeek of 2020-08-01: 11 negativeWeek of 2020-09-01: 14 positiveWeek of 2020-09-01: 15 negativeWeek of 2020-10-01: 16 positiveWeek of 2020-10-01: 19 negativeWeek of 2020-11-01: 23 positiveWeek of 2020-11-01: 15 negativeWeek of 2020-12-01: 16 positiveWeek of 2020-12-01: 8 negativeWeek of 2021-01-01: 44 positiveWeek of 2021-01-01: 25 negativeWeek of 2021-02-01: 33 positiveWeek of 2021-02-01: 11 negativeWeek of 2021-03-01: 109 positiveWeek of 2021-03-01: 35 negativeWeek of 2021-04-01: 29 positiveWeek of 2021-04-01: 3 negativeWeek of 2021-05-01: 32 positiveWeek of 2021-05-01: 4 negativeWeek of 2021-06-01: 21 positiveWeek of 2021-06-01: 5 negativeWeek of 2021-07-01: 22 positiveWeek of 2021-07-01: 5 negativeWeek of 2021-08-01: 21 positiveWeek of 2021-08-01: 1 negativeWeek of 2021-09-01: 16 positiveWeek of 2021-09-01: 2 negativeWeek of 2021-10-01: 15 positiveWeek of 2021-10-01: 4 negativeWeek of 2021-11-01: 25 positiveWeek of 2021-11-01: 7 negativeWeek of 2021-12-01: 18 positiveWeek of 2021-12-01: 2 negativeWeek of 2022-01-01: 17 positiveWeek of 2022-01-01: 9 negativeWeek of 2022-02-01: 16 positiveWeek of 2022-02-01: 2 negativeWeek of 2022-03-01: 37 positiveWeek of 2022-03-01: 11 negativeWeek of 2022-04-01: 22 positiveWeek of 2022-04-01: 5 negativeWeek of 2022-05-01: 22 positiveWeek of 2022-05-01: 3 negativeWeek of 2022-06-01: 20 positiveWeek of 2022-06-01: 5 negativeWeek of 2022-07-01: 20 positiveWeek of 2022-07-01: 4 negativeWeek of 2022-08-01: 19 positiveWeek of 2022-08-01: 3 negativeWeek of 2022-09-01: 11 positiveWeek of 2022-09-01: 3 negativeWeek of 2022-10-01: 8 positiveWeek of 2022-10-01: 5 negativeWeek of 2022-11-01: 11 positiveWeek of 2022-11-01: 1 negativeWeek of 2022-12-01: 8 positiveWeek of 2022-12-01: 2 negativeWeek of 2023-01-01: 15 positiveWeek of 2023-01-01: 3 negativeWeek of 2023-02-01: 14 positiveWeek of 2023-02-01: 3 negativeWeek of 2023-03-01: 11 positiveWeek of 2023-03-01: 3 negativeWeek of 2023-04-01: 14 positiveWeek of 2023-04-01: 3 negativeWeek of 2023-05-01: 9 positiveWeek of 2023-05-01: 2 negativeWeek of 2023-06-01: 14 positiveWeek of 2023-06-01: 3 negativeWeek of 2023-07-01: 26 positiveWeek of 2023-07-01: 8 negativeWeek of 2023-08-01: 16 positiveWeek of 2023-08-01: 5 negativeWeek of 2023-09-01: 11 positiveWeek of 2023-09-01: 1 negativeWeek of 2023-10-01: 11 positiveWeek of 2023-10-01: 5 negativeWeek of 2023-11-01: 9 positiveWeek of 2023-11-01: 5 negativeWeek of 2023-12-01: 10 positiveWeek of 2024-01-01: 8 positiveWeek of 2024-01-01: 4 negativeWeek of 2024-02-01: 13 positiveWeek of 2024-02-01: 3 negativeWeek of 2024-03-01: 18 positiveWeek of 2024-03-01: 5 negativeWeek of 2024-04-01: 11 positiveWeek of 2024-04-01: 5 negativeWeek of 2024-05-01: 13 positiveWeek of 2024-05-01: 4 negativeWeek of 2024-06-01: 18 positiveWeek of 2024-06-01: 2 negativeWeek of 2024-07-01: 22 positiveWeek of 2024-07-01: 4 negativeWeek of 2024-08-01: 8 positiveWeek of 2024-08-01: 1 negativeWeek of 2024-09-01: 13 positiveWeek of 2024-09-01: 1 negativeWeek of 2024-10-01: 13 positiveWeek of 2024-10-01: 2 negativeWeek of 2024-11-01: 11 positiveWeek of 2024-11-01: 6 negativeWeek of 2024-12-01: 13 positiveWeek of 2024-12-01: 11 negativeWeek of 2025-01-01: 20 positiveWeek of 2025-01-01: 7 negativeWeek of 2025-02-01: 9 positiveWeek of 2025-02-01: 2 negativeWeek of 2025-03-01: 11 positiveWeek of 2025-03-01: 7 negativeWeek of 2025-04-01: 9 positiveWeek of 2025-04-01: 2 negativeWeek of 2025-05-01: 5 positiveWeek of 2025-05-01: 4 negativeWeek of 2025-06-01: 9 positiveWeek of 2025-06-01: 3 negativeWeek of 2025-07-01: 13 positiveWeek of 2025-07-01: 4 negativeWeek of 2025-08-01: 7 positiveWeek of 2025-08-01: 3 negativeWeek of 2025-09-01: 15 positiveWeek of 2025-09-01: 3 negativeWeek of 2025-10-01: 18 positiveWeek of 2025-10-01: 9 negativeWeek of 2025-11-01: 5 positiveWeek of 2025-11-01: 3 negativeWeek of 2025-12-01: 11 positiveWeek of 2025-12-01: 4 negativeWeek of 2026-01-01: 14 positiveWeek of 2026-01-01: 7 negativeWeek of 2026-02-01: 7 positiveWeek of 2026-02-01: 3 negativeWeek of 2026-03-01: 8 positiveWeek of 2026-03-01: 2 negativeWeek of 2026-04-01: 7 positiveWeek of 2026-04-01: 2 negativeWeek of 2026-05-01: 7 positiveWeek of 2026-05-01: 3 negativeWeek of 2026-06-01: 8 positiveWeek of 2026-06-01: 5 negativeWeek of 2026-07-01: 12 positiveWeek of 2026-07-01: 8 negativeWeek of 2026-08-01: 6 positiveWeek of 2026-08-01: 6 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

3332026-09-15 12:00 — 10 players2026-09-16 20:00 — 6 players2026-09-18 04:00 — 7 players2026-09-19 11:00 — 3 players2026-09-20 19:00 — 14 players2026-09-22 02:00 — 9 players2026-09-23 10:00 — 8 players2026-09-24 17:00 — 5 players2026-09-26 01:00 — 6 players2026-09-27 08:00 — 7 players2026-09-28 16:00 — 11 players2026-09-29 23:00 — 9 players2026-10-01 07:00 — 3 players2026-10-02 14:00 — 16 players2026-10-03 22:00 — 33 players2026-10-05 06:00 — 13 players2026-10-06 14:00 — 32 players2026-10-07 21:00 — 23 players2026-10-09 05:00 — 11 players2026-10-10 12:00 — 17 players2026-10-11 20:00 — 21 players2026-10-13 03:00 — 16 players2026-10-14 11:00 — 12 players
Concurrent players, hourly average, last 30 days (census samples).
1.4k8Nov 2019Aug 2026Nov 2019 — avg 1,434 · peak 3,861Feb 2020 — avg 64 · peak 139May 2020 — avg 37 · peak 68Aug 2020 — avg 29 · peak 60Nov 2020 — avg 27 · peak 56Feb 2021 — avg 42 · peak 88May 2021 — avg 36 · peak 73Aug 2021 — avg 22 · peak 47Nov 2021 — avg 27 · peak 65Feb 2022 — avg 24 · peak 46May 2022 — avg 22 · peak 40Aug 2022 — avg 19 · peak 44Nov 2022 — avg 16 · peak 31Feb 2023 — avg 18 · peak 35May 2023 — avg 14 · peak 38Aug 2023 — avg 16 · peak 35Nov 2023 — avg 15 · peak 35Feb 2024 — avg 15 · peak 36May 2024 — avg 14 · peak 31Aug 2024 — avg 15 · peak 31Nov 2024 — avg 13 · peak 28Feb 2025 — avg 14 · peak 28May 2025 — avg 12 · peak 28Aug 2025 — avg 11 · peak 26Nov 2025 — avg 13 · peak 26Feb 2026 — avg 19 · peak 43May 2026 — avg 8 · peak 16Aug 2026 — avg 10 · peak 21
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$14.99$2.992019-11-062026-10-142019-11-06 — best price $12.742019-12-19 — best price $10.492021-01-21 — best price $7.492021-03-05 — best price $7.492021-10-28 — best price $7.492021-12-22 — best price $7.492022-03-21 — best price $5.242022-06-06 — best price $11.992022-07-07 — best price $14.992022-10-27 — best price $11.992022-11-28 — best price $14.992023-07-13 — best price $14.992024-03-02 — best price $14.992024-05-10 — best price $14.992024-11-18 — best price $14.992024-12-19 — best price $4.642025-03-08 — best price $14.992025-07-10 — best price $14.992025-12-19 — best price $4.942026-07-09 — best price $14.992026-09-02 — best price $14.992026-09-06 — best price $14.992026-09-10 — best price $14.992026-09-14 — best price $14.992026-09-18 — best price $14.992026-09-22 — best price $14.992026-09-26 — best price $14.992026-09-30 — best price $14.992026-10-04 — best price $14.992026-10-08 — best price $14.992026-10-12 — best price $14.992026-10-14 — best price $14.99
Lowest recorded price across tracked stores, per day (census snapshots).

Attention

378352026-06-01 — 80 pageviews2026-06-05 — 69 pageviews2026-06-09 — 65 pageviews2026-06-13 — 42 pageviews2026-06-17 — 44 pageviews2026-06-21 — 56 pageviews2026-06-25 — 81 pageviews2026-06-29 — 145 pageviews2026-07-03 — 117 pageviews2026-07-07 — 139 pageviews2026-07-11 — 125 pageviews2026-07-15 — 113 pageviews2026-07-19 — 101 pageviews2026-07-23 — 110 pageviews2026-07-27 — 123 pageviews2026-07-31 — 73 pageviews2026-08-04 — 72 pageviews2026-08-08 — 378 pageviews2026-08-12 — 96 pageviews2026-08-16 — 93 pageviews2026-08-20 — 104 pageviews2026-08-24 — 110 pageviews2026-08-28 — 75 pageviews2026-09-01 — 109 pageviews2026-09-05 — 84 pageviews2026-09-09 — 90 pageviews2026-09-13 — 107 pageviews2026-09-17 — 96 pageviews2026-09-21 — 83 pageviews2026-09-25 — 80 pageviews2026-09-29 — 349 pageviews2026-10-03 — 94 pageviews2026-10-07 — 131 pageviews2026-10-11 — 74 pageviews
Daily Wikipedia pageviews (attention proxy, census-recorded).

Completion

48
achievements tracked
73.8%
earned "The Forlorn Hollow"
14.4%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerSteam AchievementsFamily Sharing

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)5,7425%48
PS5 (PlayStation)2904%49
Xbox Series (Xbox)1150%48
Switch (Nintendo)100%0
Switch (Nintendo)10%0

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

Where its players are

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

Player tags

FunnyIndieCasualPuzzleMatch 3StrategyAdventureCard GameDifficultRogue-lite

Census log

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

Players also track

Star Control®: OriginsSurvivalistReverse CrawlForgotton AnneForce of NatureDungeon Of Dragon KnightCHANGE: A Homeless Survival ExperienceTorchlight III

Similarity via IGDB.

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