Do I ship it?

GamesBullet HellBullet Hell + Underwater

Specimen · observed

Should I ship an Underwater Bullet Hell?

Bullet Hell + Underwater

Of 21 developers who shipped an Underwater Bullet Hell 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.. 16 more are announced.

Verdict: long shot, for a 5 / 10 build.

The middle developer here made $360, ×0.6 the market's $630 for a 5 / 10 build, but 1 in 20 cleared $22k, ×36 the market median. Revenue is up 500% on the market; 16 games are announced against 13 developers who shipped in the last year.

Deciding numbers: median 0.6 times the market baseline, revenue up 500% on the market, 16 announced, ×1.2 per developer who shipped in the last year.
Nobody has said they are building this yet.
Bullet Hell + Underwater
Fig. 1 · this niche among 16,100
Plate 1 · outcomes, 2 yr n = 21
Median est. gross by half-year cohort, 2023 H1 to 2026 H2: $0 → $179 → $359 → $1.2k (still earning) → $1.0k (still earning)
The last cohort is still earning.
Outcomes for Bullet Hell + Underwater: Plate 1 · outcomes, 2 yr, n = 21
Bottom 30% $179 (exactly $179)
Median $359 (exactly $359)
Top 25% $1.3k (exactly $1,317)
Top 5% $22k (exactly $22,438)
Developers, 2 yr 21
Released games 42
Announced 16
Effort 5 / 10
AI-buildability Medium
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 500% on the market, supply 65% more developers than the period before.

Free games: 17%, 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 medium: the lowest rating among its tags.

Bullet Hell
effort 3 / 10 · high · effort 3 sits in the high band
Underwater
effort 5 / 10 · medium · effort 5 sits in the medium band

How the rubric works →

Plate 3 · the cost side

What it takes

Effort
5 / 10 · real systems or entry 3D
Systems
Bullet Hell; 6 in 10 of the top 25% also carry Action, Action Roguelike, Bullet Heaven
Price point
$4.99 typical · top 25% priced $6.99 or above
Art
4 in 10 of the top 25% ship with 2D, Cute, Cartoony
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 93% positive over 284 reviews.

Plate 5 · the loss side

What kills games here

Developer outcomes in the last 2 years by share: 3 in 10 under $180, median $360, 1 in 4 over $1.3k, 1 in 20 over $22k.

3 in 10 developers made under $180. 9 in 10 of the 9 games released 1 to 2 years ago have fewer than 100 reviews. 16 games are announced against 13 developers who shipped in the last year.

Plate 6 · same mechanic, other settings

Adjacent niches

Bullet Hell with a different setting or mood, ranked by verdict then median.

  1. + SuperheroStrong odds11 devs · median $3.4k · 7 announced
  2. + FaithFair26 devs · median $17k · 29 announced
  3. + VampiresFair43 devs · median $3.4k · 33 announced
  4. + Creature CollectorFair24 devs · median $3.4k · 33 announced
  5. + Strategy RPGFair40 devs · median $2.0k · 31 announced
  6. + PiratesFair14 devs · median $2.0k · 20 announced
  7. + CatsFair44 devs · median $1.7k · 59 announced
  8. + HackingFair15 devs · median $1.6k · 17 announced
  9. + Time ManagementFair11 devs · median $1.2k · 15 announced
  10. + Card BattlerFair24 devs · median $1.2k · 22 announced
  11. + DemonsFair101 devs · median $1.2k · 125 announced
  12. + Naval CombatFair14 devs · median $1.1k · 16 announced

All 185 pairs on the Bullet Hell page

Plate 7 · comparable specimens, by est. revenue

Comparable games

Capsule Game Released Price Reviews Est. copies Est. revenue Developer
NEO AQUARIUM - The King of Crustaceans - older $8.99 252 80% 7.6k $68k (exactly $67,964) Calappa Games
Aqua Kitty - Milk Mine Defender older $6.99 294 86% 8.8k $62k (exactly $61,652) TIKIPOD, Electric Cafe
SHRIMP GAME: OVERKRILL $11.99 93 89% 2.8k $33k (exactly $33,452) GasGod Games, GLUE MAN
Operation Octo $6.99 107 98% 3.2k $22k (exactly $22,438) Klub Kofta Studio
Earth Atlantis older $14.99 48 58% 1.4k $22k (exactly $21,586) Pixel Perfex
ASTRONAUTILUS older $9.99 50 94% 1.5k $15k (exactly $14,985) neozoid.games
Tragedy of Prince Rupert older $3.99 59 89% 1.8k $7.1k (exactly $7,062) Spytihněv
Fishing Mega-Game $4.99 29 89% 870 $4.3k (exactly $4,341) Peep
Super Chaos $5.99 13 92% 390 $2.3k (exactly $2,336) Anodaxia
The Last Sunshine: Rekindled older $4.99 13 84% 390 $1.9k (exactly $1,946) Four Eyes Productions
Squidly's Revenge $4.99 10 100% 300 $1.5k (exactly $1,497) Howling Wolf Games
Fish Slayer $3.99 11 100% 330 $1.3k (exactly $1,317) easymemo(悬厘), deathywings
SeaQuestDungeon $7.99 5 80% 150 $1.2k (exactly $1,198) AlchemistGame
Bobble and the Tri-Crystal $4.99 7 100% 210 $1.0k (exactly $1,048) HenryNova
Wave 43 $4.99 4 100% 120 $599 (exactly $599) Alien Game Studio
Submarine Survivor $3.99 5 80% 150 $598 (exactly $598) The Bat Flight

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