The Game Census
Ninja Issen (忍者一閃) cover art

Ninja Issen (忍者一閃)

ASTEROID-J · CFK Co., Ltd. · 2023-11-22

Steam

ActionAdventureIndie

Modes: Single player · Perspectives: Side view

Releases: Nov 23, 2023 (PC (Microsoft Windows)), Feb 20, 2025 (Nintendo Switch)

With its cyberpunk city brought to life with retro graphics, Ninja Issen invites players into a world filled with "hyper ninja action" as they work alone to annihilate waves of enemy troops using a variety of ninja skills and fight bosses coming at you with relentless, diverse attack patterns.

92%
positive of 84 reviews
Very Positive
steam's rating (official)
0–20,000
owners (SteamSpy est.)
pending
deck/linux tier (ProtonDB)
Unknown
Steam Deck (Valve)
SteamOS: 0
$14.99
steam price (US)

You, “Kiba,” as a ninja, has been falsely accused. You failed to save the princess, the only one who could restore your honor, and warped to the other world with her. Now you stand in the middle of the metropolis surrounded by neon lights and holograms. You, “Kiba,” must slash through mysterious foes and find the princess. Save her, and find a way to return to your home!(Storyline via IGDB)

Health check

Quiet
  • · 7 reviews in the last 8 weeks (~1/week).
  • · Review velocity up 40% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (23 reviews).
  • · Top 42% of 27,397 Action games in the census by review count.
Estimated sales: 1.7k–3.8k copies

Review-multiple estimate from 84 total reviews — how this is computed.

Current store prices

lowest across shops (ITAD)$14.99

Deal snapshots via CheapShark, refreshed daily.

All-time low: $4.49 at Steam (2026-06-11)via IsThereAnyDeal

12-month high $14.99 · on sale 29 of 54 observed days (census price snapshots)

Review momentum

PositiveNegative
222220232026Week of 2023-11-01: 22 positiveWeek of 2023-11-01: 1 negativeWeek of 2023-12-01: 7 positiveWeek of 2023-12-01: 1 negativeWeek of 2024-01-01: 2 positiveWeek of 2024-02-01: 1 positiveWeek of 2024-03-01: 2 positiveWeek of 2024-05-01: 1 positiveWeek of 2024-06-01: 2 positiveWeek of 2024-07-01: 1 positiveWeek of 2024-08-01: 1 positiveWeek of 2024-09-01: 1 positiveWeek of 2024-12-01: 1 negativeWeek of 2025-04-01: 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 2026-04-01: 1 positiveWeek of 2026-06-01: 1 positiveWeek of 2026-07-01: 1 negativeWeek of 2026-08-01: 1 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Price history

$14.99$4.492023-11-222026-10-082023-11-22 — best price $14.992024-02-07 — best price $12.992024-03-14 — best price $9.742024-04-26 — best price $8.772024-06-01 — best price $14.992024-07-15 — best price $9.742024-10-24 — best price $9.742024-11-30 — best price $7.362024-12-05 — best price $14.992024-12-22 — best price $7.112024-12-27 — best price $7.112025-01-01 — best price $7.142025-01-24 — best price $7.112025-01-29 — best price $6.962025-02-03 — best price $6.982025-02-10 — best price $14.992025-03-20 — best price $14.992025-04-30 — best price $10.992025-05-15 — best price $14.992025-06-28 — best price $10.502025-07-10 — best price $10.502025-07-28 — best price $14.992025-08-09 — best price $13.892025-08-31 — best price $12.432025-10-01 — best price $12.932025-10-13 — best price $12.162025-11-18 — best price $13.932025-11-24 — best price $6.612025-12-07 — best price $13.272025-12-16 — best price $13.932026-01-06 — best price $14.992026-02-17 — best price $7.502026-03-19 — best price $6.302026-04-03 — best price $14.992026-05-14 — best price $12.592026-06-25 — best price $5.992026-10-08 — best price $14.99
Lowest recorded price across tracked stores, per day (census snapshots).

Details

WindowsSingle-playerSteam AchievementsPartial Controller SupportSteam CloudFamily Sharing1 DLC

5 supported languages: English, Korean, Japanese, Simplified Chinese, Traditional Chinese

Post-launch support: 1 DLC released, first 2023-11-22 (Steam store data)

Player tags

2DIndieNinjaRetroActionRobotsAdventureCyberpunkPlatformerStory Rich

Census log

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

Players also track

Tower FortressMayhem in Single ValleyRad Rodgers - Radical EditionSkellboy RefracturedGONNER2Tails of IronLast Command

Similarity via IGDB.

Official site ↗