The Game Census
Defend Your Life: TD cover art

Defend Your Life: TD

Alda Games · 2015-04-10

Steam

ActionCasualIndieStrategy

Modes: Single player · Perspectives: Bird view / Isometric

Releases: Apr 10, 2015 (Mac), Apr 10, 2015 (PC (Microsoft Windows)), Apr 10, 2015 (Linux)

Defend Your Life! Is tower defense set in human body where players are fighting against villain hordes of viruses and bacteria. Levels and units correspond to reality of human anatomy.

Defend Your Life: TD is a $3.99 Action, Casual, Indie, Strategy game released in 2015, with an estimated 100,000 to 200,000 owners and a Mostly Positive review sentiment (79% of 1093 reviews).

1
playing now
79%
positive of 1.1k reviews
Mostly Positive
steam's rating (official)
100,000–200,000
owners (SteamSpy est.)
60/100
IGDB user rating (2 ratings)
Unknown
Steam Deck (Valve)
SteamOS: 0
$3.99
steam price (US)

1 players in-game as of 2026-10-14 15:00 UTC (census sample)

Health check

Quiet
  • · 1 players in-game at the last census sample.
  • · 3 reviews in the last 8 weeks (~0/week).
  • · Review velocity down 70% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (14 reviews).
  • · Top 14% of 27,740 Action games in the census by review count.

Health tier since 2026-08-31

Estimated sales: 27k–66k copies

Review-multiple estimate from 1,093 total reviews — how this is computed.

Review momentum

PositiveNegative
101020162026Week of 2016-12-01: 3 positiveWeek of 2016-12-01: 2 negativeWeek of 2017-01-01: 6 positiveWeek of 2017-01-01: 2 negativeWeek of 2017-02-01: 2 positiveWeek of 2017-02-01: 1 negativeWeek of 2017-03-01: 4 positiveWeek of 2017-03-01: 3 negativeWeek of 2017-04-01: 4 positiveWeek of 2017-05-01: 3 positiveWeek of 2017-05-01: 2 negativeWeek of 2017-06-01: 9 positiveWeek of 2017-06-01: 1 negativeWeek of 2017-07-01: 10 positiveWeek of 2017-07-01: 4 negativeWeek of 2017-08-01: 1 negativeWeek of 2017-09-01: 3 positiveWeek of 2017-09-01: 1 negativeWeek of 2017-10-01: 1 positiveWeek of 2017-10-01: 2 negativeWeek of 2017-11-01: 4 positiveWeek of 2017-11-01: 1 negativeWeek of 2017-12-01: 4 positiveWeek of 2017-12-01: 2 negativeWeek of 2018-01-01: 2 positiveWeek of 2018-01-01: 1 negativeWeek of 2018-02-01: 1 positiveWeek of 2018-02-01: 3 negativeWeek of 2018-03-01: 1 positiveWeek of 2018-03-01: 1 negativeWeek of 2018-04-01: 1 positiveWeek of 2018-05-01: 4 positiveWeek of 2018-05-01: 2 negativeWeek of 2018-06-01: 4 positiveWeek of 2018-07-01: 1 positiveWeek of 2018-08-01: 1 positiveWeek of 2018-09-01: 1 positiveWeek of 2018-09-01: 1 negativeWeek of 2018-10-01: 1 positiveWeek of 2018-10-01: 1 negativeWeek of 2018-11-01: 1 positiveWeek of 2018-11-01: 1 negativeWeek of 2018-12-01: 2 positiveWeek of 2019-01-01: 5 positiveWeek of 2019-02-01: 1 positiveWeek of 2019-02-01: 1 negativeWeek of 2019-03-01: 2 positiveWeek of 2019-04-01: 1 positiveWeek of 2019-05-01: 1 positiveWeek of 2019-06-01: 4 positiveWeek of 2019-07-01: 2 positiveWeek of 2019-07-01: 1 negativeWeek of 2019-08-01: 2 positiveWeek of 2019-09-01: 1 negativeWeek of 2019-11-01: 3 positiveWeek of 2019-11-01: 1 negativeWeek of 2019-12-01: 4 positiveWeek of 2019-12-01: 1 negativeWeek of 2020-01-01: 2 positiveWeek of 2020-02-01: 4 positiveWeek of 2020-03-01: 2 positiveWeek of 2020-03-01: 1 negativeWeek of 2020-04-01: 1 positiveWeek of 2020-05-01: 4 positiveWeek of 2020-06-01: 2 positiveWeek of 2020-07-01: 1 positiveWeek of 2020-07-01: 1 negativeWeek of 2020-08-01: 3 positiveWeek of 2020-09-01: 2 positiveWeek of 2020-10-01: 1 positiveWeek of 2020-11-01: 4 positiveWeek of 2020-12-01: 1 positiveWeek of 2021-01-01: 4 positiveWeek of 2021-01-01: 1 negativeWeek of 2021-03-01: 2 positiveWeek of 2021-03-01: 1 negativeWeek of 2021-05-01: 1 positiveWeek of 2021-06-01: 4 positiveWeek of 2021-10-01: 2 positiveWeek of 2021-11-01: 1 positiveWeek of 2022-01-01: 1 negativeWeek of 2022-04-01: 2 positiveWeek of 2022-05-01: 1 negativeWeek of 2022-06-01: 2 positiveWeek of 2022-06-01: 1 negativeWeek of 2022-08-01: 2 positiveWeek of 2022-09-01: 2 positiveWeek of 2022-10-01: 3 positiveWeek of 2022-11-01: 2 positiveWeek of 2023-01-01: 1 positiveWeek of 2023-01-01: 1 negativeWeek of 2023-02-01: 1 negativeWeek of 2023-03-01: 1 positiveWeek of 2023-03-01: 1 negativeWeek of 2023-04-01: 1 positiveWeek of 2023-05-01: 1 positiveWeek of 2023-05-01: 1 negativeWeek of 2023-07-01: 1 negativeWeek of 2023-09-01: 1 positiveWeek of 2023-11-01: 1 negativeWeek of 2024-03-01: 1 negativeWeek of 2024-04-01: 1 positiveWeek of 2024-06-01: 2 positiveWeek of 2024-07-01: 1 positiveWeek of 2024-10-01: 2 positiveWeek of 2024-12-01: 1 positiveWeek of 2025-02-01: 2 positiveWeek of 2025-03-01: 1 positiveWeek of 2025-05-01: 1 positiveWeek of 2025-06-01: 1 positiveWeek of 2025-07-01: 1 positiveWeek of 2025-09-01: 1 negativeWeek of 2025-11-01: 1 positiveWeek of 2026-03-01: 1 positiveWeek of 2026-08-01: 1 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

802026-09-15 00:00 — 1 players2026-09-16 09:00 — 1 players2026-09-17 16:00 — 1 players2026-09-19 00:00 — 1 players2026-09-20 07:00 — 2 players2026-09-21 15:00 — 1 players2026-09-22 22:00 — 1 players2026-09-24 06:00 — 0 players2026-09-25 13:00 — 2 players2026-09-26 21:00 — 1 players2026-09-28 04:00 — 1 players2026-09-29 12:00 — 1 players2026-09-30 19:00 — 1 players2026-10-02 03:00 — 1 players2026-10-03 10:00 — 0 players2026-10-04 19:00 — 2 players2026-10-06 02:00 — 1 players2026-10-07 10:00 — 8 players2026-10-08 17:00 — 0 players2026-10-10 01:00 — 0 players2026-10-11 08:00 — 2 players2026-10-12 16:00 — 1 players2026-10-13 23:00 — 0 players2026-10-14 15:00 — 1 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$4.99$0.492015-04-102021-03-082015-04-10 — best price $0.992015-06-22 — best price $4.992015-11-25 — best price $2.992016-01-11 — best price $4.992016-03-07 — best price $1.992016-05-23 — best price $4.992016-07-18 — best price $1.992016-10-31 — best price $4.992016-12-22 — best price $1.992017-01-16 — best price $4.992017-05-22 — best price $1.992017-07-05 — best price $4.992017-10-07 — best price $2.242017-11-01 — best price $4.992017-12-11 — best price $4.492018-01-04 — best price $4.992018-02-24 — best price $2.992018-05-14 — best price $4.992018-07-09 — best price $3.492018-09-17 — best price $4.992018-11-12 — best price $3.742018-11-28 — best price $4.992019-02-04 — best price $1.992019-03-18 — best price $4.992019-06-25 — best price $1.992019-07-29 — best price $4.992019-10-28 — best price $4.492019-11-12 — best price $4.992019-12-19 — best price $1.992020-01-13 — best price $4.992020-03-02 — best price $3.992020-04-27 — best price $4.992020-06-08 — best price $2.992020-07-09 — best price $4.992020-09-21 — best price $3.492020-11-02 — best price $4.992020-11-25 — best price $2.992021-01-05 — best price $4.992021-02-11 — best price $3.492021-03-08 — best price $4.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

20
achievements tracked
49.8%
earned "First win"
10.7%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsmacOSLinuxSingle-playerSteam AchievementsSteam Trading CardsFamily Sharing

9 supported languages: English, French, Italian, German, Spanish - Spain, Czech, Japanese, Portuguese - Portugal, Russian

Player tags

2DRTSFunnyIndieCasualPuzzleCartoonCartoonyStrategySurvival

Census log

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

Players also track

Star Control®: OriginsSurvivalistReverse CrawlMedieval Kingdom WarsForce of NatureBronze Age - HD EditionApsulov: End of Gods

Similarity via IGDB.

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