Do I ship it?

GamesTower DefenseTower Defense + Idler

Specimen · observed

Should I ship an Idler Tower Defense?

Tower Defense + Idler

Of 108 developers who shipped an Idler Tower Defense in the last 2 years: 3 in 10 made under est. revenue: est. copies × today's US list price; gross, before Steam's cut, taxes and refunds. See method., the middle one made est. revenue: est. copies × today's US list price; gross, before Steam's cut, taxes and refunds. See method., 1 in 4 cleared est. revenue: est. copies × today's US list price; gross, before Steam's cut, taxes and refunds. See method., 1 in 20 cleared est. revenue: est. copies × today's US list price; gross, before Steam's cut, taxes and refunds. See method.. 136 more are announced.

Verdict: fair, for a 3 / 10 build.

The middle developer here made $1.2k, ×2.5 the market's $480 for a 3 / 10 build, with 3 in 10 under $450. Revenue is up 215% on the market; 136 games are announced against 87 developers who shipped in the last year.

Deciding numbers: median 2.5 times the market baseline, revenue up 215% on the market, 136 announced, ×1.6 per developer who shipped in the last year.
Nobody has said they are building this yet.
Tower Defense + Idler
Fig. 1 · this niche among 16,100
Plate 1 · outcomes, 2 yr n = 108
Median est. gross by half-year cohort, 2023 H1 to 2026 H2: $959 → $9.4k → $9.0k → $300 → $4.5k → $1.5k → $1.5k (still earning) → $807 (still earning)
The last cohort is still earning.
Outcomes for Tower Defense + Idler: Plate 1 · outcomes, 2 yr, n = 108
Bottom 30% $450 (exactly $450)
Median $1.2k (exactly $1,198)
Top 25% $6.5k (exactly $6,458)
Top 5% $125k (exactly $125,431)
Developers, 2 yr 108
Released games 170
Announced 136
Effort 3 / 10
AI-buildability High
Typical price $4.99

momentum: how a niche's revenue percentiles and developer count moved between two equal, adjacent periods, divided by the market's own move. See method., 12 months: revenue up 215% on the market, supply 295% more developers than the period before.

Free games: 14%, excluded from money figures.

See every window in the explorer →

Plate 2 · systems and tooling

Can AI deliver it?

AI-buildability for this niche is high: the lowest rating among its tags.

Tower Defense
effort 3 / 10 · high · effort 3 sits in the high band
Idler
effort 1 / 10 · high · number growth curves and a UI

How the rubric works →

Plate 3 · the cost side

What it takes

Effort
3 / 10 · small 2D action, light systems
Systems
Tower Defense, Idler; 5 in 10 of the top 25% also carry Incremental, Strategy, Simulation
Price point
$4.99 typical · top 25% priced $6.99 or above
Art
5 in 10 of the top 25% ship with 2D, Relaxing, Pixel Graphics
Plate 4 · demand

Why players buy here

The top 25% priced at $6.99 or above; the middle game at $4.99.

The top 10 games average 84% positive over 14,170 reviews.

Plate 5 · the loss side

What kills games here

Developer outcomes in the last 2 years by share: 3 in 10 under $450, median $1.2k, 1 in 4 over $6.4k, 1 in 20 over $120k.

3 in 10 developers made under $450. 8 in 10 of the 29 games released 1 to 2 years ago have fewer than 100 reviews. 136 games are announced against 87 developers who shipped in the last year.

Plate 6 · same mechanic, other settings

Adjacent niches

Tower Defense with a different second tag, ranked by verdict then median.

  1. + DwarvesStrong odds10 devs · median $6.7k · 9 announced
  2. + MiningFair33 devs · median $6.3k · 45 announced
  3. + Survival HorrorFair14 devs · median $1.9k · 16 announced
  4. + CapitalismFair15 devs · median $1.6k · 20 announced
  5. + TanksFair14 devs · median $1.5k · 13 announced
  6. + MechsFair24 devs · median $1.5k · 24 announced
  7. + PuzzleFair64 devs · median $1.0k · 67 announced
  8. + Gun CustomizationFair26 devs · median $958 · 32 announced
  9. + LogicFair40 devs · median $955 · 44 announced
  10. + On-Rails ShooterFair11 devs · median $899 · 12 announced
  11. + Psychological HorrorFair8 devs · median $897 · 8 announced
  12. + Turn-Based CombatFair28 devs · median $839 · 34 announced

All 150 pairs on the Tower Defense page

Plate 7 · comparable specimens, by est. revenue

Comparable games

Capsule Game Released Price Reviews Est. copies Est. revenue Developer
Lessaria: Fantasy Kingdom Sim $24.90 2,938 77% 88k $2.2M (exactly $2,194,686) Rockbee Team
Sir, We Have an Orc Problem $9.99 4,123 86% 124k $1.2M (exactly $1,235,663) Mumpitz Games
Outhold $6.99 1,818 86% 55k $381k (exactly $381,235) Tellus Games
miniBONG older $9.99 881 79% 26k $264k (exactly $264,036) Game Star
Desktop Defender $4.99 1,757 92% 53k $263k (exactly $263,023) Conradical Games
Zero Stress King: Idle Defense $4.99 1,679 87% 50k $251k (exactly $251,346) Pauloondra
Legendary Hoplite older $14.99 335 63% 10k $151k (exactly $150,650) TripleBricksGames
Void Miner – Incremental Asteroids Roguelite $5.99 698 83% 21k $125k (exactly $125,431) RyanJakob
Doom Sweeper older $4.99 782 72% 23k $117k (exactly $117,065) Paper Dog
Crownhold $6.99 471 84% 14k $99k (exactly $98,769) Tobias Mikula
All Aboard! The Train Defense Express $4.99 379 84% 11k $57k (exactly $56,736) Likadev
Incrempire $6.99 167 68% 5.0k $35k (exactly $35,020) FMGames, Regnum Noctis
Infiniclick $7.99 140 72% 4.2k $34k (exactly $33,558) Nacho AB

Estimates: copies = reviews × 30, gross = copies × list price.