The Game Census
Serious Sam II cover art

Serious Sam II

Croteam · Devolver Digital · 2012-01-31

Steam

ActionIndie

Modes: Single player, Multiplayer, Co-operative, Split screen

Releases: Oct 11, 2005 (Xbox), Oct 11, 2005 (Linux), Oct 11, 2005 (PC (Microsoft Windows))

Serious Sam II is a shot of adrenaline to the hearts of first-person shooter fans across the world. This is serious!

112
playing now
90%
positive of 14k reviews
Very Positive
steam rating
1,000,000–2,000,000
owners (SteamSpy est.)
78/100
critic score (3 outlets, IGDB)
72/100
IGDB user rating (188 ratings)
17h
to beat · rushed 12h · completionist 24h
platinum
deck/linux tier (ProtonDB)
$9.99
steam price (US)

112 players in-game as of 2026-08-30 17:00 UTC (census sample)

Health check

Healthy
  • · 112 players in-game at the last census sample.
  • · 860 reviews in the last 8 weeks (~108/week).
  • · Review velocity up 0% vs the prior 8 weeks.
  • · Top 9% of 10,862 Action games in the census by review count.
Estimated sales: 567k–1.1M copies

Review-multiple estimate from 14,176 total reviews — how this is computed.

All-time low: $0.90 at GamersGate (2016-08-22) · bundled 4×via IsThereAnyDeal

12-month high $9.99 · on sale 22 of 49 observed days (census price snapshots)

Review momentum

PositiveNegative
23423420182026Week of 2018-01-01: 65 positiveWeek of 2018-01-01: 7 negativeWeek of 2018-02-01: 47 positiveWeek of 2018-02-01: 4 negativeWeek of 2018-03-01: 35 positiveWeek of 2018-03-01: 6 negativeWeek of 2018-04-01: 39 positiveWeek of 2018-04-01: 8 negativeWeek of 2018-05-01: 61 positiveWeek of 2018-05-01: 10 negativeWeek of 2018-06-01: 86 positiveWeek of 2018-06-01: 13 negativeWeek of 2018-07-01: 47 positiveWeek of 2018-07-01: 5 negativeWeek of 2018-08-01: 31 positiveWeek of 2018-08-01: 8 negativeWeek of 2018-09-01: 18 positiveWeek of 2018-09-01: 4 negativeWeek of 2018-10-01: 16 positiveWeek of 2018-10-01: 11 negativeWeek of 2018-11-01: 112 positiveWeek of 2018-11-01: 8 negativeWeek of 2018-12-01: 40 positiveWeek of 2018-12-01: 13 negativeWeek of 2019-01-01: 40 positiveWeek of 2019-01-01: 4 negativeWeek of 2019-02-01: 47 positiveWeek of 2019-02-01: 3 negativeWeek of 2019-03-01: 48 positiveWeek of 2019-03-01: 7 negativeWeek of 2019-04-01: 29 positiveWeek of 2019-04-01: 3 negativeWeek of 2019-05-01: 19 positiveWeek of 2019-05-01: 2 negativeWeek of 2019-06-01: 166 positiveWeek of 2019-06-01: 12 negativeWeek of 2019-07-01: 129 positiveWeek of 2019-07-01: 11 negativeWeek of 2019-08-01: 20 positiveWeek of 2019-08-01: 8 negativeWeek of 2019-09-01: 23 positiveWeek of 2019-09-01: 5 negativeWeek of 2019-10-01: 24 positiveWeek of 2019-10-01: 2 negativeWeek of 2019-11-01: 103 positiveWeek of 2019-11-01: 6 negativeWeek of 2019-12-01: 85 positiveWeek of 2019-12-01: 6 negativeWeek of 2020-01-01: 86 positiveWeek of 2020-01-01: 10 negativeWeek of 2020-02-01: 42 positiveWeek of 2020-02-01: 2 negativeWeek of 2020-03-01: 45 positiveWeek of 2020-03-01: 9 negativeWeek of 2020-04-01: 146 positiveWeek of 2020-04-01: 16 negativeWeek of 2020-05-01: 185 positiveWeek of 2020-05-01: 29 negativeWeek of 2020-06-01: 99 positiveWeek of 2020-06-01: 19 negativeWeek of 2020-07-01: 94 positiveWeek of 2020-07-01: 9 negativeWeek of 2020-08-01: 62 positiveWeek of 2020-08-01: 10 negativeWeek of 2020-09-01: 128 positiveWeek of 2020-09-01: 20 negativeWeek of 2020-10-01: 133 positiveWeek of 2020-10-01: 7 negativeWeek of 2020-11-01: 138 positiveWeek of 2020-11-01: 14 negativeWeek of 2020-12-01: 113 positiveWeek of 2020-12-01: 15 negativeWeek of 2021-01-01: 114 positiveWeek of 2021-01-01: 7 negativeWeek of 2021-02-01: 77 positiveWeek of 2021-02-01: 6 negativeWeek of 2021-03-01: 160 positiveWeek of 2021-03-01: 11 negativeWeek of 2021-04-01: 120 positiveWeek of 2021-04-01: 10 negativeWeek of 2021-05-01: 161 positiveWeek of 2021-05-01: 23 negativeWeek of 2021-06-01: 118 positiveWeek of 2021-06-01: 11 negativeWeek of 2021-07-01: 104 positiveWeek of 2021-07-01: 16 negativeWeek of 2021-08-01: 74 positiveWeek of 2021-08-01: 11 negativeWeek of 2021-09-01: 44 positiveWeek of 2021-09-01: 5 negativeWeek of 2021-10-01: 62 positiveWeek of 2021-10-01: 12 negativeWeek of 2021-11-01: 120 positiveWeek of 2021-11-01: 5 negativeWeek of 2021-12-01: 94 positiveWeek of 2021-12-01: 8 negativeWeek of 2022-01-01: 164 positiveWeek of 2022-01-01: 17 negativeWeek of 2022-02-01: 110 positiveWeek of 2022-02-01: 12 negativeWeek of 2022-03-01: 87 positiveWeek of 2022-03-01: 4 negativeWeek of 2022-04-01: 62 positiveWeek of 2022-04-01: 10 negativeWeek of 2022-05-01: 155 positiveWeek of 2022-05-01: 12 negativeWeek of 2022-06-01: 89 positiveWeek of 2022-06-01: 6 negativeWeek of 2022-07-01: 92 positiveWeek of 2022-07-01: 9 negativeWeek of 2022-08-01: 63 positiveWeek of 2022-08-01: 6 negativeWeek of 2022-09-01: 37 positiveWeek of 2022-09-01: 5 negativeWeek of 2022-10-01: 44 positiveWeek of 2022-10-01: 6 negativeWeek of 2022-11-01: 118 positiveWeek of 2022-11-01: 9 negativeWeek of 2022-12-01: 66 positiveWeek of 2022-12-01: 8 negativeWeek of 2023-01-01: 73 positiveWeek of 2023-01-01: 3 negativeWeek of 2023-02-01: 59 positiveWeek of 2023-02-01: 8 negativeWeek of 2023-03-01: 76 positiveWeek of 2023-03-01: 4 negativeWeek of 2023-04-01: 57 positiveWeek of 2023-04-01: 15 negativeWeek of 2023-05-01: 72 positiveWeek of 2023-05-01: 11 negativeWeek of 2023-06-01: 52 positiveWeek of 2023-06-01: 5 negativeWeek of 2023-07-01: 74 positiveWeek of 2023-07-01: 10 negativeWeek of 2023-08-01: 47 positiveWeek of 2023-08-01: 5 negativeWeek of 2023-09-01: 38 positiveWeek of 2023-09-01: 4 negativeWeek of 2023-10-01: 131 positiveWeek of 2023-10-01: 8 negativeWeek of 2023-11-01: 95 positiveWeek of 2023-11-01: 14 negativeWeek of 2023-12-01: 63 positiveWeek of 2023-12-01: 17 negativeWeek of 2024-01-01: 49 positiveWeek of 2024-01-01: 7 negativeWeek of 2024-02-01: 58 positiveWeek of 2024-02-01: 8 negativeWeek of 2024-03-01: 73 positiveWeek of 2024-03-01: 7 negativeWeek of 2024-04-01: 72 positiveWeek of 2024-04-01: 17 negativeWeek of 2024-05-01: 58 positiveWeek of 2024-05-01: 6 negativeWeek of 2024-06-01: 55 positiveWeek of 2024-06-01: 8 negativeWeek of 2024-07-01: 79 positiveWeek of 2024-07-01: 11 negativeWeek of 2024-08-01: 65 positiveWeek of 2024-08-01: 13 negativeWeek of 2024-09-01: 115 positiveWeek of 2024-09-01: 18 negativeWeek of 2024-10-01: 59 positiveWeek of 2024-10-01: 6 negativeWeek of 2024-11-01: 76 positiveWeek of 2024-11-01: 8 negativeWeek of 2024-12-01: 87 positiveWeek of 2024-12-01: 13 negativeWeek of 2025-01-01: 83 positiveWeek of 2025-01-01: 14 negativeWeek of 2025-02-01: 71 positiveWeek of 2025-02-01: 6 negativeWeek of 2025-03-01: 87 positiveWeek of 2025-03-01: 12 negativeWeek of 2025-04-01: 62 positiveWeek of 2025-04-01: 11 negativeWeek of 2025-05-01: 60 positiveWeek of 2025-05-01: 7 negativeWeek of 2025-06-01: 75 positiveWeek of 2025-06-01: 10 negativeWeek of 2025-07-01: 76 positiveWeek of 2025-07-01: 10 negativeWeek of 2025-08-01: 51 positiveWeek of 2025-08-01: 5 negativeWeek of 2025-09-01: 53 positiveWeek of 2025-09-01: 7 negativeWeek of 2025-10-01: 234 positiveWeek of 2025-10-01: 16 negativeWeek of 2025-11-01: 177 positiveWeek of 2025-11-01: 9 negativeWeek of 2025-12-01: 93 positiveWeek of 2025-12-01: 11 negativeWeek of 2026-01-01: 71 positiveWeek of 2026-01-01: 7 negativeWeek of 2026-02-01: 98 positiveWeek of 2026-02-01: 9 negativeWeek of 2026-03-01: 121 positiveWeek of 2026-03-01: 12 negativeWeek of 2026-04-01: 84 positiveWeek of 2026-04-01: 2 negativeWeek of 2026-05-01: 70 positiveWeek of 2026-05-01: 12 negativeWeek of 2026-06-01: 139 positiveWeek of 2026-06-01: 11 negativeWeek of 2026-07-01: 104 positiveWeek of 2026-07-01: 16 negativeWeek of 2026-08-01: 47 positiveWeek of 2026-08-01: 4 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

150252026-08-06 21:00 — 61 players2026-08-07 05:00 — 25 players2026-08-07 13:00 — 98 players2026-08-07 21:00 — 99 players2026-08-08 05:00 — 31 players2026-08-08 13:00 — 84 players2026-08-08 21:00 — 74 players2026-08-09 05:00 — 43 players2026-08-09 13:00 — 115 players2026-08-09 21:00 — 75 players2026-08-10 05:00 — 31 players2026-08-10 13:00 — 93 players2026-08-10 21:00 — 62 players2026-08-11 05:00 — 34 players2026-08-11 13:00 — 108 players2026-08-12 21:00 — 63 players2026-08-14 05:00 — 27 players2026-08-15 12:00 — 114 players2026-08-16 20:00 — 113 players2026-08-18 04:00 — 30 players2026-08-19 11:00 — 75 players2026-08-20 19:00 — 120 players2026-08-22 02:00 — 32 players2026-08-23 10:00 — 116 players2026-08-24 18:00 — 110 players2026-08-26 02:00 — 32 players2026-08-27 10:00 — 80 players2026-08-28 17:00 — 107 players2026-08-30 01:00 — 40 players2026-08-30 17:00 — 112 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$9.99$0.902015-01-012026-08-132015-01-01 — best price $1.992015-06-11 — best price $1.492015-08-31 — best price $1.492015-12-22 — best price $0.992016-03-12 — best price $0.992016-09-08 — best price $1.492016-12-01 — best price $1.502017-03-30 — best price $0.992017-09-11 — best price $1.492017-12-21 — best price $1.992018-05-24 — best price $9.992018-12-20 — best price $1.992019-07-09 — best price $9.992019-11-26 — best price $1.992020-05-20 — best price $1.992020-10-29 — best price $1.992021-02-15 — best price $9.992021-05-14 — best price $1.992021-10-18 — best price $1.992022-01-10 — best price $1.992022-05-06 — best price $1.992022-11-04 — best price $9.992023-01-25 — best price $1.992023-07-13 — best price $9.992023-10-16 — best price $1.992024-01-18 — best price $1.992024-04-22 — best price $9.992024-07-11 — best price $9.992024-10-28 — best price $0.992024-12-12 — best price $0.992025-01-31 — best price $2.002025-03-05 — best price $1.992025-04-25 — best price $9.992025-07-10 — best price $9.992025-09-14 — best price $9.992025-11-02 — best price $9.992026-01-23 — best price $2.502026-03-26 — best price $9.992026-06-08 — best price $0.992026-08-13 — best price $2.49
Lowest recorded price across tracked stores, per day (census snapshots).

Twitch viewers

2302026-08-26 19:15 — 9 viewers2026-08-26 19:34 — 5 viewers2026-08-26 20:34 — 5 viewers2026-08-26 21:34 — 6 viewers2026-08-26 22:34 — 5 viewers2026-08-26 23:34 — 4 viewers2026-08-27 01:34 — 4 viewers2026-08-27 02:34 — 0 viewers2026-08-27 03:34 — 0 viewers2026-08-27 04:34 — 0 viewers2026-08-27 05:34 — 0 viewers2026-08-27 06:34 — 0 viewers2026-08-27 07:33 — 0 viewers2026-08-27 08:34 — 0 viewers2026-08-27 09:33 — 0 viewers2026-08-27 11:34 — 23 viewers
Hourly Twitch viewers (census snapshots).

Completion

30
achievements tracked
6.7%
earned "Serious Beginner"
1.2%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerMulti-playerPvPOnline PvPCo-opOnline Co-opSteam Trading CardsPartial Controller SupportSteam CloudIncludes level editor2 DLC

Where its players are

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

Player tags

FPSGoreCo-opFunnyIndieActionComedySci-fiClassicShooter

Census log

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

Recent updates

Players also track

Half-LifeReturn to Castle WolfensteinWolfenstein: The New OrderMax Payne 3Call of Duty®: GhostsWatch_Dogs® 2

Similarity via IGDB.

Wikipedia ↗Official site ↗