The Game Census
Defend Your Life: TD cover art

Defend Your Life: TD

Alda Games · 2015-04-10

Steam

ActionCasualIndieStrategy

Modes: Single player

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.

0
playing now
79%
positive of 1.1k reviews
Mostly Positive
steam rating
100,000–200,000
owners (SteamSpy est.)
60/100
IGDB user rating (2 ratings)
$3.99
steam price (US)

0 players in-game as of 2026-08-30 05:00 UTC (census sample)

Health check

Insufficient data
  • · Not enough review history collected yet to judge health.
  • · Top 33% of 10,936 Action games in the census by review count.
Estimated sales: 27k–66k copies

Review-multiple estimate from 1,092 total reviews — how this is computed.

Players online

302026-08-11 18:00 — 3 players2026-08-12 09:00 — 3 players2026-08-13 01:00 — 1 players2026-08-13 17:00 — 3 players2026-08-14 09:00 — 2 players2026-08-15 01:00 — 1 players2026-08-15 16:00 — 0 players2026-08-16 08:00 — 1 players2026-08-17 00:00 — 1 players2026-08-17 16:00 — 2 players2026-08-18 08:00 — 0 players2026-08-19 00:00 — 0 players2026-08-19 15:00 — 2 players2026-08-20 07:00 — 1 players2026-08-20 23:00 — 1 players2026-08-21 15:00 — 1 players2026-08-22 07:00 — 1 players2026-08-22 22:00 — 1 players2026-08-23 14:00 — 2 players2026-08-24 06:00 — 1 players2026-08-24 22:00 — 1 players2026-08-25 14:00 — 3 players2026-08-26 06:00 — 1 players2026-08-26 22:00 — 0 players2026-08-27 14:00 — 2 players2026-08-28 06:00 — 2 players2026-08-28 22:00 — 1 players2026-08-29 13:00 — 2 players2026-08-30 05:00 — 0 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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