The Game Census
Serious Sam HD: The First Encounter cover art

Serious Sam HD: The First Encounter

Croteam · Devolver Digital · 2009-11-24

SteamXbox

ActionIndie

Modes: Single player, Multiplayer, Co-operative · Perspectives: First person

Releases: Nov 24, 2009 (PC (Microsoft Windows)), Jan 13, 2010 (Xbox 360)

Serious Sam HD: The First Encounter is a visually upgraded and fully Steam supported remake version of the original high-adrenaline single-play and 16-player co-operative arcade-action FPS which was Gamespot's Game of the Year 2001 and which scored overall of 87% on Metacritic!

Serious Sam HD: The First Encounter is an Action, Indie game released in 2009, priced at $14.99, with an estimated 1,000,000 .. 2,000,000 owners and Very Positive (93% of 8974 reviews).

33
playing now
93%
positive of 9.0k reviews
Very Positive
steam's rating (official)
1,000,000–2,000,000
owners (SteamSpy est.)
74/100
critic score (2 outlets, IGDB)
76/100
IGDB user rating (94 ratings)
1
Nexus mods (127 downloads)
16h
to beat · rushed 14h
silver
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$14.99
steam price (US)

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

In ancient times, Earth was involved in a massive conflict between Mental, an evil extraterrestrial being who wants to rule the universe, and the Sirians, a technologically advanced sentient alien race that left many of its artifacts to be discovered by humanity. In the 22nd century, Mental and his army of grotesquely twisted monsters return to Earth intending to destroy humanity. The humans are quickly overwhelmed and driven back to Earth. As a last resort, humanity uses the "Time-Lock". This mysterious Sirian artifact contains the power to transport a single person back to a chosen point in (Storyline via IGDB)

Health check

Healthy
  • · 33 players in-game at the last census sample.
  • · 457 reviews in the last 8 weeks (~57/week).
  • · Review velocity up 8% vs the prior 8 weeks.
  • · Top 5% of 27,649 Action games in the census by review count.

Health tier since 2026-08-29

Estimated sales: 359k–718k copies

Review-multiple estimate from 8,974 total reviews — how this is computed.

All-time low: $0.99 at GameFly (2013-06-04) · bundled 4×via IsThereAnyDeal

12-month high $14.99 · on sale 7 of 14 observed days (census price snapshots)

Review momentum

PositiveNegative
14114120182026Week of 2018-01-01: 40 positiveWeek of 2018-01-01: 4 negativeWeek of 2018-02-01: 26 positiveWeek of 2018-02-01: 1 negativeWeek of 2018-03-01: 22 positiveWeek of 2018-03-01: 2 negativeWeek of 2018-04-01: 33 positiveWeek of 2018-04-01: 2 negativeWeek of 2018-05-01: 55 positiveWeek of 2018-05-01: 2 negativeWeek of 2018-06-01: 60 positiveWeek of 2018-06-01: 5 negativeWeek of 2018-07-01: 52 positiveWeek of 2018-07-01: 3 negativeWeek of 2018-08-01: 22 positiveWeek of 2018-08-01: 3 negativeWeek of 2018-09-01: 16 positiveWeek of 2018-09-01: 1 negativeWeek of 2018-10-01: 10 positiveWeek of 2018-10-01: 1 negativeWeek of 2018-11-01: 70 positiveWeek of 2018-12-01: 32 positiveWeek of 2018-12-01: 3 negativeWeek of 2019-01-01: 28 positiveWeek of 2019-01-01: 1 negativeWeek of 2019-02-01: 28 positiveWeek of 2019-02-01: 2 negativeWeek of 2019-03-01: 23 positiveWeek of 2019-03-01: 1 negativeWeek of 2019-04-01: 13 positiveWeek of 2019-04-01: 4 negativeWeek of 2019-05-01: 14 positiveWeek of 2019-06-01: 128 positiveWeek of 2019-06-01: 4 negativeWeek of 2019-07-01: 102 positiveWeek of 2019-07-01: 3 negativeWeek of 2019-08-01: 14 positiveWeek of 2019-08-01: 3 negativeWeek of 2019-09-01: 20 positiveWeek of 2019-09-01: 1 negativeWeek of 2019-10-01: 21 positiveWeek of 2019-10-01: 3 negativeWeek of 2019-11-01: 66 positiveWeek of 2019-11-01: 1 negativeWeek of 2019-12-01: 60 positiveWeek of 2019-12-01: 2 negativeWeek of 2020-01-01: 52 positiveWeek of 2020-01-01: 4 negativeWeek of 2020-02-01: 38 positiveWeek of 2020-02-01: 3 negativeWeek of 2020-03-01: 29 positiveWeek of 2020-03-01: 2 negativeWeek of 2020-04-01: 101 positiveWeek of 2020-04-01: 6 negativeWeek of 2020-05-01: 141 positiveWeek of 2020-05-01: 9 negativeWeek of 2020-06-01: 89 positiveWeek of 2020-06-01: 6 negativeWeek of 2020-07-01: 67 positiveWeek of 2020-07-01: 6 negativeWeek of 2020-08-01: 41 positiveWeek of 2020-08-01: 6 negativeWeek of 2020-09-01: 79 positiveWeek of 2020-09-01: 7 negativeWeek of 2020-10-01: 67 positiveWeek of 2020-10-01: 8 negativeWeek of 2020-11-01: 104 positiveWeek of 2020-11-01: 1 negativeWeek of 2020-12-01: 74 positiveWeek of 2020-12-01: 3 negativeWeek of 2021-01-01: 57 positiveWeek of 2021-01-01: 7 negativeWeek of 2021-02-01: 39 positiveWeek of 2021-02-01: 2 negativeWeek of 2021-03-01: 60 positiveWeek of 2021-03-01: 2 negativeWeek of 2021-04-01: 34 positiveWeek of 2021-05-01: 59 positiveWeek of 2021-05-01: 5 negativeWeek of 2021-06-01: 61 positiveWeek of 2021-06-01: 4 negativeWeek of 2021-07-01: 67 positiveWeek of 2021-07-01: 3 negativeWeek of 2021-08-01: 33 positiveWeek of 2021-08-01: 5 negativeWeek of 2021-09-01: 27 positiveWeek of 2021-09-01: 6 negativeWeek of 2021-10-01: 28 positiveWeek of 2021-10-01: 2 negativeWeek of 2021-11-01: 53 positiveWeek of 2021-11-01: 3 negativeWeek of 2021-12-01: 49 positiveWeek of 2021-12-01: 4 negativeWeek of 2022-01-01: 138 positiveWeek of 2022-01-01: 5 negativeWeek of 2022-02-01: 67 positiveWeek of 2022-02-01: 6 negativeWeek of 2022-03-01: 48 positiveWeek of 2022-03-01: 5 negativeWeek of 2022-04-01: 25 positiveWeek of 2022-04-01: 3 negativeWeek of 2022-05-01: 53 positiveWeek of 2022-05-01: 10 negativeWeek of 2022-06-01: 49 positiveWeek of 2022-06-01: 9 negativeWeek of 2022-07-01: 46 positiveWeek of 2022-08-01: 26 positiveWeek of 2022-08-01: 3 negativeWeek of 2022-09-01: 26 positiveWeek of 2022-09-01: 3 negativeWeek of 2022-10-01: 22 positiveWeek of 2022-10-01: 2 negativeWeek of 2022-11-01: 60 positiveWeek of 2022-11-01: 3 negativeWeek of 2022-12-01: 39 positiveWeek of 2022-12-01: 4 negativeWeek of 2023-01-01: 45 positiveWeek of 2023-01-01: 6 negativeWeek of 2023-02-01: 41 positiveWeek of 2023-02-01: 1 negativeWeek of 2023-03-01: 43 positiveWeek of 2023-03-01: 5 negativeWeek of 2023-04-01: 29 positiveWeek of 2023-04-01: 2 negativeWeek of 2023-05-01: 61 positiveWeek of 2023-05-01: 6 negativeWeek of 2023-06-01: 32 positiveWeek of 2023-06-01: 3 negativeWeek of 2023-07-01: 52 positiveWeek of 2023-07-01: 1 negativeWeek of 2023-08-01: 30 positiveWeek of 2023-08-01: 2 negativeWeek of 2023-09-01: 31 positiveWeek of 2023-10-01: 68 positiveWeek of 2023-10-01: 7 negativeWeek of 2023-11-01: 49 positiveWeek of 2023-11-01: 4 negativeWeek of 2023-12-01: 44 positiveWeek of 2023-12-01: 2 negativeWeek of 2024-01-01: 37 positiveWeek of 2024-01-01: 3 negativeWeek of 2024-02-01: 35 positiveWeek of 2024-02-01: 4 negativeWeek of 2024-03-01: 53 positiveWeek of 2024-03-01: 5 negativeWeek of 2024-04-01: 50 positiveWeek of 2024-04-01: 5 negativeWeek of 2024-05-01: 32 positiveWeek of 2024-05-01: 5 negativeWeek of 2024-06-01: 40 positiveWeek of 2024-06-01: 4 negativeWeek of 2024-07-01: 41 positiveWeek of 2024-07-01: 4 negativeWeek of 2024-08-01: 22 positiveWeek of 2024-08-01: 2 negativeWeek of 2024-09-01: 73 positiveWeek of 2024-09-01: 9 negativeWeek of 2024-10-01: 40 positiveWeek of 2024-10-01: 2 negativeWeek of 2024-11-01: 57 positiveWeek of 2024-11-01: 4 negativeWeek of 2024-12-01: 65 positiveWeek of 2024-12-01: 10 negativeWeek of 2025-01-01: 60 positiveWeek of 2025-01-01: 4 negativeWeek of 2025-02-01: 60 positiveWeek of 2025-02-01: 9 negativeWeek of 2025-03-01: 61 positiveWeek of 2025-03-01: 7 negativeWeek of 2025-04-01: 31 positiveWeek of 2025-04-01: 3 negativeWeek of 2025-05-01: 32 positiveWeek of 2025-06-01: 56 positiveWeek of 2025-06-01: 9 negativeWeek of 2025-07-01: 47 positiveWeek of 2025-07-01: 8 negativeWeek of 2025-08-01: 30 positiveWeek of 2025-08-01: 7 negativeWeek of 2025-09-01: 45 positiveWeek of 2025-09-01: 3 negativeWeek of 2025-10-01: 63 positiveWeek of 2025-10-01: 4 negativeWeek of 2025-11-01: 76 positiveWeek of 2025-11-01: 9 negativeWeek of 2025-12-01: 48 positiveWeek of 2025-12-01: 4 negativeWeek of 2026-01-01: 60 positiveWeek of 2026-01-01: 3 negativeWeek of 2026-02-01: 45 positiveWeek of 2026-02-01: 6 negativeWeek of 2026-03-01: 67 positiveWeek of 2026-03-01: 6 negativeWeek of 2026-04-01: 51 positiveWeek of 2026-04-01: 7 negativeWeek of 2026-05-01: 25 positiveWeek of 2026-05-01: 3 negativeWeek of 2026-06-01: 59 positiveWeek of 2026-06-01: 8 negativeWeek of 2026-07-01: 57 positiveWeek of 2026-07-01: 8 negativeWeek of 2026-08-01: 18 positiveWeek of 2026-08-01: 7 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

84182026-09-15 12:00 — 49 players2026-09-16 20:00 — 60 players2026-09-18 04:00 — 21 players2026-09-19 11:00 — 57 players2026-09-20 19:00 — 63 players2026-09-22 02:00 — 26 players2026-09-23 10:00 — 22 players2026-09-24 17:00 — 46 players2026-09-26 01:00 — 22 players2026-09-27 08:00 — 41 players2026-09-28 16:00 — 62 players2026-09-29 23:00 — 22 players2026-10-01 07:00 — 19 players2026-10-02 14:00 — 59 players2026-10-03 22:00 — 51 players2026-10-05 06:00 — 27 players2026-10-06 14:00 — 59 players2026-10-07 21:00 — 46 players2026-10-09 05:00 — 19 players2026-10-10 12:00 — 46 players2026-10-11 20:00 — 48 players2026-10-13 03:00 — 24 players2026-10-14 11:00 — 33 players
Concurrent players, hourly average, last 30 days (census samples).
11519Jul 2012Aug 2026Jul 2012 — avg 42 · peak 97Dec 2012 — avg 44 · peak 145May 2013 — avg 45 · peak 247Oct 2013 — avg 42 · peak 109Mar 2014 — avg 38 · peak 139Aug 2014 — avg 27 · peak 61Jan 2015 — avg 45 · peak 190Jun 2015 — avg 54 · peak 282Nov 2015 — avg 57 · peak 318Apr 2016 — avg 66 · peak 158Sep 2016 — avg 34 · peak 80Feb 2017 — avg 40 · peak 108Jul 2017 — avg 62 · peak 228Dec 2017 — avg 46 · peak 170May 2018 — avg 50 · peak 230Oct 2018 — avg 23 · peak 70Mar 2019 — avg 32 · peak 150Aug 2019 — avg 27 · peak 143Jan 2020 — avg 33 · peak 116Jun 2020 — avg 53 · peak 136Nov 2020 — avg 40 · peak 144Apr 2021 — avg 32 · peak 97Sep 2021 — avg 21 · peak 58Feb 2022 — avg 46 · peak 155Jul 2022 — avg 30 · peak 88Dec 2022 — avg 31 · peak 92May 2023 — avg 29 · peak 98Oct 2023 — avg 36 · peak 143Mar 2024 — avg 33 · peak 107Aug 2024 — avg 23 · peak 61Jan 2025 — avg 34 · peak 114Jun 2025 — avg 38 · peak 115Nov 2025 — avg 55 · peak 170Apr 2026 — avg 29 · peak 76Aug 2026 — avg 28 · peak 102
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$44.99$1.202015-01-012026-08-132015-01-01 — best price $2.992015-03-13 — best price $14.992015-06-22 — best price $14.992015-10-29 — best price $1.492015-12-22 — best price $1.492016-02-05 — best price $1.492016-05-10 — best price $14.992016-07-09 — best price $14.992016-09-27 — best price $2.242016-11-16 — best price $2.992016-12-21 — best price $2.252017-03-20 — best price $44.992017-08-18 — best price $11.872017-10-26 — best price $12.862018-05-17 — best price $12.742018-06-21 — best price $2.242018-12-02 — best price $12.742019-04-01 — best price $2.992019-09-26 — best price $12.992019-12-19 — best price $2.242020-04-20 — best price $14.992020-09-07 — best price $2.242020-11-28 — best price $2.992021-03-15 — best price $2.992021-06-21 — best price $14.992022-01-14 — best price $2.992022-08-19 — best price $2.992023-01-20 — best price $2.992023-08-07 — best price $2.992023-11-06 — best price $14.992024-02-22 — best price $2.992024-06-20 — best price $2.992024-11-21 — best price $2.992025-03-13 — best price $2.992025-10-13 — best price $2.992026-03-05 — best price $2.992026-08-13 — best price $2.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

35
achievements tracked
66.2%
earned "Serious Beginner"
2.2%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerMulti-playerPvPOnline PvPShared/Split Screen PvPCo-opOnline Co-opShared/Split Screen Co-opShared/Split ScreenSteam Achievements

6 supported languages: English, French, German, Italian, Spanish - Spain, Russian

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)43,1901%35

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

FPSGoreCo-opIndieActionAliensComedyClassicShooterDifficult

Census log

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

Players also track

GentleMoon 2RICOWorld War 3Rogue HeistRebel Galaxy OutlawMorphies Law: RemorphedApsulov: End of GodsTorchlight III

Similarity via IGDB.

Official site ↗Wikipedia ↗