The Game Census
Ultimate Zombie Defense cover art

Ultimate Zombie Defense

Terror Dog Studio · 2020-12-08

SteamPlayStation Store

ActionAdventureCasualStrategy

Modes: Single player, Multiplayer, Co-operative · Perspectives: Third person, Bird view / Isometric

Releases: Dec 04, 2025 (PlayStation 5), Feb 21, 2020 (PC (Microsoft Windows)), Oct 23, 2025 (Xbox One), Oct 23, 2025 (Xbox Series X|S)

Team up or face it alone in this top down zombie slaying defense adventure! Featuring up to 4 player online co-op, cleanse the infected wave by wave and upgrade your base with traps & defenses to build the Ultimate Zombie Defense. Can YOU stop them?

Ultimate Zombie Defense is a 2020 Action, Adventure, Casual, and Strategy game priced at $4.99, with an owner estimate of 200,000 .. 500,000 and a review sentiment of Very Positive (85% of 4798 reviews).

30
playing now
85%
positive of 4.8k reviews
Very Positive
steam's rating (official)
200,000–500,000
owners (SteamSpy est.)
70/100
IGDB user rating (4 ratings)
2.07★
PlayStation Store rating (30 ratings)
gold
deck/linux tier (ProtonDB)
Playable
Steam Deck (Valve)
SteamOS: Playable
$4.99
steam price (US)

30 players in-game as of 2026-10-15 04:00 UTC (census sample)

Trailer

Ultimate Zombie Defense trailer thumbnail

【迪鹿精華】末日有星O克嗎？《Ultimate Zombie Defense》ft.棗子、蜘豬、糜咔

≈1,000,000 YouTube results for this game's trailer search

Health check

Quietly active
  • · 30 players in-game at the last census sample.
  • · 31 reviews in the last 8 weeks (~4/week).
  • · Review velocity down 38% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (245 reviews).
  • · Top 7% of 27,960 Action games in the census by review count.

Health tier since 2026-08-28

Estimated sales: 96k–216k copies

Review-multiple estimate from 4,798 total reviews — how this is computed.

All-time low: $0.74 at Fanatical (2025-04-14) · bundled 2×via IsThereAnyDeal

12-month high $4.99 · on sale 41 of 57 observed days (census price snapshots)

Review momentum

PositiveNegative
22522520202026Week of 2020-02-01: 5 positiveWeek of 2020-02-01: 1 negativeWeek of 2020-03-01: 17 positiveWeek of 2020-03-01: 1 negativeWeek of 2020-04-01: 8 positiveWeek of 2020-05-01: 4 positiveWeek of 2020-06-01: 12 positiveWeek of 2020-07-01: 52 positiveWeek of 2020-07-01: 1 negativeWeek of 2020-08-01: 17 positiveWeek of 2020-09-01: 9 positiveWeek of 2020-09-01: 1 negativeWeek of 2020-10-01: 7 positiveWeek of 2020-10-01: 3 negativeWeek of 2020-11-01: 14 positiveWeek of 2020-12-01: 87 positiveWeek of 2020-12-01: 9 negativeWeek of 2021-01-01: 225 positiveWeek of 2021-01-01: 20 negativeWeek of 2021-02-01: 145 positiveWeek of 2021-02-01: 37 negativeWeek of 2021-03-01: 49 positiveWeek of 2021-03-01: 8 negativeWeek of 2021-04-01: 22 positiveWeek of 2021-04-01: 2 negativeWeek of 2021-05-01: 28 positiveWeek of 2021-05-01: 7 negativeWeek of 2021-06-01: 15 positiveWeek of 2021-06-01: 3 negativeWeek of 2021-07-01: 26 positiveWeek of 2021-07-01: 3 negativeWeek of 2021-08-01: 23 positiveWeek of 2021-08-01: 4 negativeWeek of 2021-09-01: 14 positiveWeek of 2021-09-01: 3 negativeWeek of 2021-10-01: 11 positiveWeek of 2021-10-01: 2 negativeWeek of 2021-11-01: 47 positiveWeek of 2021-11-01: 5 negativeWeek of 2021-12-01: 14 positiveWeek of 2021-12-01: 2 negativeWeek of 2022-01-01: 17 positiveWeek of 2022-01-01: 4 negativeWeek of 2022-02-01: 10 positiveWeek of 2022-02-01: 4 negativeWeek of 2022-03-01: 8 positiveWeek of 2022-03-01: 1 negativeWeek of 2022-04-01: 4 positiveWeek of 2022-04-01: 1 negativeWeek of 2022-05-01: 7 positiveWeek of 2022-05-01: 1 negativeWeek of 2022-06-01: 8 positiveWeek of 2022-06-01: 1 negativeWeek of 2022-07-01: 12 positiveWeek of 2022-07-01: 3 negativeWeek of 2022-08-01: 10 positiveWeek of 2022-08-01: 3 negativeWeek of 2022-09-01: 11 positiveWeek of 2022-09-01: 2 negativeWeek of 2022-10-01: 9 positiveWeek of 2022-10-01: 2 negativeWeek of 2022-11-01: 14 positiveWeek of 2022-11-01: 6 negativeWeek of 2022-12-01: 9 positiveWeek of 2022-12-01: 2 negativeWeek of 2023-01-01: 19 positiveWeek of 2023-01-01: 2 negativeWeek of 2023-02-01: 11 positiveWeek of 2023-03-01: 3 positiveWeek of 2023-03-01: 1 negativeWeek of 2023-04-01: 9 positiveWeek of 2023-05-01: 10 positiveWeek of 2023-06-01: 6 positiveWeek of 2023-06-01: 3 negativeWeek of 2023-07-01: 17 positiveWeek of 2023-07-01: 5 negativeWeek of 2023-08-01: 9 positiveWeek of 2023-09-01: 5 positiveWeek of 2023-09-01: 3 negativeWeek of 2023-10-01: 13 positiveWeek of 2023-10-01: 1 negativeWeek of 2023-11-01: 11 positiveWeek of 2023-11-01: 3 negativeWeek of 2023-12-01: 16 positiveWeek of 2023-12-01: 2 negativeWeek of 2024-01-01: 8 positiveWeek of 2024-01-01: 1 negativeWeek of 2024-02-01: 40 positiveWeek of 2024-02-01: 7 negativeWeek of 2024-03-01: 15 positiveWeek of 2024-03-01: 1 negativeWeek of 2024-04-01: 7 positiveWeek of 2024-04-01: 1 negativeWeek of 2024-05-01: 7 positiveWeek of 2024-05-01: 2 negativeWeek of 2024-06-01: 9 positiveWeek of 2024-07-01: 5 positiveWeek of 2024-07-01: 1 negativeWeek of 2024-08-01: 4 positiveWeek of 2024-08-01: 2 negativeWeek of 2024-10-01: 2 positiveWeek of 2024-11-01: 10 positiveWeek of 2024-11-01: 2 negativeWeek of 2024-12-01: 5 positiveWeek of 2024-12-01: 1 negativeWeek of 2025-01-01: 4 positiveWeek of 2025-02-01: 6 positiveWeek of 2025-03-01: 1 negativeWeek of 2025-04-01: 2 positiveWeek of 2025-04-01: 1 negativeWeek of 2025-05-01: 2 positiveWeek of 2025-05-01: 2 negativeWeek of 2025-06-01: 4 positiveWeek of 2025-06-01: 1 negativeWeek of 2025-07-01: 14 positiveWeek of 2025-07-01: 5 negativeWeek of 2025-08-01: 5 positiveWeek of 2025-08-01: 2 negativeWeek of 2025-09-01: 2 positiveWeek of 2025-09-01: 1 negativeWeek of 2025-10-01: 4 positiveWeek of 2025-11-01: 5 positiveWeek of 2025-12-01: 7 positiveWeek of 2026-01-01: 2 positiveWeek of 2026-02-01: 2 positiveWeek of 2026-03-01: 6 positiveWeek of 2026-04-01: 2 positiveWeek of 2026-04-01: 1 negativeWeek of 2026-05-01: 2 positiveWeek of 2026-05-01: 1 negativeWeek of 2026-06-01: 2 positiveWeek of 2026-06-01: 1 negativeWeek of 2026-07-01: 5 positiveWeek of 2026-08-01: 1 positiveWeek of 2026-08-01: 1 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

6162026-09-15 13:00 — 61 players2026-09-16 22:00 — 17 players2026-09-18 05:00 — 19 players2026-09-19 13:00 — 23 players2026-09-20 20:00 — 26 players2026-09-22 04:00 — 31 players2026-09-23 11:00 — 21 players2026-09-24 19:00 — 16 players2026-09-26 02:00 — 15 players2026-09-27 10:00 — 21 players2026-09-28 17:00 — 21 players2026-09-30 01:00 — 29 players2026-10-01 08:00 — 33 players2026-10-02 16:00 — 52 players2026-10-04 00:00 — 30 players2026-10-05 08:00 — 27 players2026-10-06 15:00 — 54 players2026-10-07 23:00 — 14 players2026-10-09 06:00 — 11 players2026-10-10 14:00 — 37 players2026-10-11 21:00 — 49 players2026-10-13 05:00 — 41 players2026-10-14 12:00 — 38 players2026-10-15 04:00 — 30 players
Concurrent players, hourly average, last 30 days (census samples).
8961Mar 2020Aug 2026Mar 2020 — avg 1 · peak 6May 2020 — avg 1 · peak 7Jul 2020 — avg 10 · peak 81Sep 2020 — avg 4 · peak 26Nov 2020 — avg 3 · peak 23Jan 2021 — avg 228 · peak 1,063Mar 2021 — avg 62 · peak 224May 2021 — avg 28 · peak 78Jul 2021 — avg 34 · peak 124Sep 2021 — avg 19 · peak 66Nov 2021 — avg 16 · peak 68Jan 2022 — avg 19 · peak 84Mar 2022 — avg 13 · peak 44May 2022 — avg 12 · peak 49Jul 2022 — avg 26 · peak 184Sep 2022 — avg 17 · peak 88Nov 2022 — avg 22 · peak 107Jan 2023 — avg 20 · peak 58Mar 2023 — avg 12 · peak 49May 2023 — avg 14 · peak 60Jul 2023 — avg 21 · peak 71Sep 2023 — avg 11 · peak 68Nov 2023 — avg 12 · peak 44Jan 2024 — avg 20 · peak 74Mar 2024 — avg 101 · peak 416May 2024 — avg 32 · peak 118Jul 2024 — avg 25 · peak 75Sep 2024 — avg 17 · peak 46Nov 2024 — avg 25 · peak 109Jan 2025 — avg 19 · peak 50Mar 2025 — avg 13 · peak 40May 2025 — avg 20 · peak 121Jul 2025 — avg 896 · peak 6,508Sep 2025 — avg 86 · peak 214Nov 2025 — avg 56 · peak 147Jan 2026 — avg 62 · peak 110Mar 2026 — avg 44 · peak 96May 2026 — avg 40 · peak 125Jul 2026 — avg 43 · peak 98Aug 2026 — avg 41 · peak 169
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$5.99$0.902020-02-212026-08-172020-02-21 — best price $3.992020-11-02 — best price $4.992020-11-23 — best price $2.852020-12-17 — best price $3.662021-02-05 — best price $4.392021-03-01 — best price $3.342021-03-29 — best price $4.992021-04-18 — best price $3.582021-05-30 — best price $4.992021-07-14 — best price $4.142021-09-08 — best price $4.142021-11-21 — best price $4.992022-01-05 — best price $4.992022-03-25 — best price $4.012022-07-08 — best price $3.892022-08-17 — best price $3.892022-11-22 — best price $2.502023-01-25 — best price $2.242023-04-03 — best price $2.992023-07-02 — best price $3.892023-09-04 — best price $4.992023-12-04 — best price $3.242024-02-13 — best price $3.662024-04-01 — best price $3.662024-06-13 — best price $3.242024-08-14 — best price $2.242024-12-04 — best price $5.992025-01-31 — best price $3.892025-04-22 — best price $4.992025-08-11 — best price $4.992025-12-18 — best price $2.492026-02-24 — best price $3.892026-05-12 — best price $2.502026-08-06 — best price $1.692026-08-17 — best price $3.73
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

12
achievements tracked
91.3%
earned "Play your first game"
48.5%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSSingle-playerMulti-playerCo-opOnline Co-opSteam AchievementsSteam CloudSteam LeaderboardsFamily Sharing1 DLC

15 supported languages: English, German, Spanish - Spain, Russian, Simplified Chinese, Dutch, French, Italian, Polish, Portuguese - Portugal, Portuguese - Brazil, Spanish - Latin America…

Post-launch support: 1 DLC released, first 2021-02-16 (Steam store data)

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)5,65533%12
Xbox Series, Xbox One (Xbox)5443%10
PS5 (PlayStation)3043%10

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

GoreCo-opActionCasualShooterViolentZombiesStrategySurvivalTop-Down

Census log

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

Players also track

Don't Knock TwiceImmortal: UnchainedDying Light 2 Stay Human: Reloaded EditionApsulov: End of GodsPacifyDays Gone

Similarity via IGDB.

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