Do I ship it?

GamesOpen WorldOpen World + Tower Defense

Specimen · observed

Should I ship a Tower Defense Open World game?

Open World + Tower Defense

Of 29 developers who shipped a Tower Defense Open World game 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.. 69 more are announced, ×4.9 for every developer who shipped in the last year.

Verdict: poor odds, for a 8 / 10 build.

The middle developer here made $8.4k, ×5.6 the market's $1.5k for a 8 / 10 build, and 3 in 10 made under $540; 1 in 20 cleared $5.7M, ×3825 the market median. Revenue is down 95% on the market; 69 games are announced against 14 developers who shipped in the last year.

Deciding numbers: median 5.6 times the market baseline, revenue down 95% on the market, 69 announced, ×4.9 per developer who shipped in the last year.
Nobody has said they are building this yet.
Open World + Tower Defense
Fig. 1 · this niche among 16,100
Plate 1 · outcomes, 2 yr n = 29
Median est. gross by half-year cohort, 2023 H1 to 2026 H2: $360 → $7.0k → $497k → $31k → $1.2k → $350k → $718 (still earning) → $6.5k (still earning)
The last cohort is still earning.
Outcomes for Open World + Tower Defense: Plate 1 · outcomes, 2 yr, n = 29
Bottom 30% $538 (exactly $538)
Median $8.4k (exactly $8,392)
Top 25% $146k (exactly $146,152)
Top 5% $5.7M (exactly $5,730,134)
Developers, 2 yr 29
Released games 85
Announced 69
Effort 8 / 10
AI-buildability Low
Typical price $9.99

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 down 95% on the market, supply as many developers as the period before.

Free games: 9%, 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 low: the lowest rating among its tags.

Open World
effort 8 / 10 · low · effort 8 sits in the low band
Tower Defense
effort 3 / 10 · high · effort 3 sits in the high band

How the rubric works →

Plate 3 · the cost side

What it takes

Effort
8 / 10 · online systems, open world
Systems
Open World, Tower Defense; 8 in 10 of the top 25% also carry Building, Sandbox, Base Building
Price point
$9.99 typical · top 25% priced $19.99 or above
Art
5 in 10 of the top 25% ship with First-Person
Plate 4 · demand

Why players buy here

The top 25% priced at $19.99 or above; the middle game at $9.99.

The top 10 games average 79% positive over 25,336 reviews.

Plate 5 · the loss side

What kills games here

Developer outcomes in the last 2 years by share: 3 in 10 under $540, median $8.4k, 1 in 4 over $140k, 1 in 20 over $5.7M.

3 in 10 developers made under $540. 5 in 10 of the 16 games released 1 to 2 years ago have fewer than 100 reviews. 69 games are announced against 14 developers who shipped in the last year, ×4.9 per shipper.

Plate 6 · same mechanic, other settings

Adjacent niches

Open World with a different second tag, ranked by verdict then median.

  1. + WuxiaFair12 devs · median $634k · 17 announced
  2. + 4 Player LocalFair14 devs · median $82k · 20 announced
  3. + VampiresFair15 devs · median $23k · 21 announced
  4. + TrainsFair27 devs · median $21k · 25 announced
  5. + FMVFair11 devs · median $14k · 13 announced
  6. + GothicFair25 devs · median $5.4k · 32 announced
  7. + MarsFair12 devs · median $2.2k · 15 announced
  8. + TanksFair9 devs · median $1.3k · 11 announced
  9. + FaithLong shot11 devs · median $716 · 14 announced
  10. + DiplomacyPoor odds13 devs · median $1.8M · 38 announced
  11. + Real-Time with PausePoor odds8 devs · median $767k · 11 announced
  12. + Co-op CampaignPoor odds17 devs · median $267k · 65 announced

All 240 pairs on the Open World page

Plate 7 · comparable specimens, by est. revenue

Comparable games

Capsule Game Released Price Reviews Est. copies Est. revenue Developer
7 Days to Die older $44.99 273,589 87% 8.2M $369M (exactly $369,263,073) The Fun Pimps
Plants vs. Zombies: Battle for Neighborville™ older $29.99 15,372 71% 461k $14M (exactly $13,830,188) PopCap
Night of the Dead older $29.99 10,380 77% 311k $9.3M (exactly $9,338,886) Jackto Studios
Outpost: Infinity Siege older $24.99 11,636 65% 349k $8.7M (exactly $8,723,509) Team Ranger
Craft The World older $18.99 15,074 88% 452k $8.6M (exactly $8,587,658) Dekovir Entertainment, Sibear Games
Cultivation Tales older $19.99 12,560 38% 377k $7.5M (exactly $7,532,232) Ac Games
Stronghold Crusader: Definitive Edition $19.99 10,627 92% 319k $6.4M (exactly $6,373,012) Firefly Studios
The Front $19.99 9,555 66% 287k $5.7M (exactly $5,730,134) Samar Studio
Kingdom: New Lands older $14.99 10,152 86% 305k $4.6M (exactly $4,565,354) Noio
Stronghold: Definitive Edition older $14.99 9,787 86% 294k $4.4M (exactly $4,401,214) Firefly Studios
Dread Dawn $19.99 2,113 71% 63k $1.3M (exactly $1,267,166) Kioop
Human Host · EA $16.88 866 83% 26k $439k (exactly $438,542) Virtual Matrix Studio
Descenders Next · EA $29.99 389 79% 12k $350k (exactly $349,983) RageSquid
CleanFall · EA $19.99 492 92% 15k $295k (exactly $295,052) Humanyoyo
Settlements Rising $18.99 416 80% 12k $237k (exactly $236,995) The Catalyst Crew
Start Over $14.99 325 60% 9.8k $146k (exactly $146,152) EY-Studio
Keep Her Safe · EA $9.99 382 97% 11k $114k (exactly $114,485) Gugu Studio
Decision Legacy Collection $9.99 171 83% 5.1k $51k (exactly $51,249) FlyAnvil

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