The Game Census
Mirror 2: Project X cover art

Mirror 2: Project X

KAGAMI Ⅱ WORKs · NIJICO · 2022-01-20

Steam

AdventureIndieRPGEarly Access

Modes: Single player · Perspectives: First person

Releases: Jan 21, 2022 (PC (Microsoft Windows))

Enter the parallel worlds enriched by the stories and match-3 games developed using cel-shading techniques powered by Unreal Engine 4. Ponder on your choices because each of them will determine the fate of all.

Mirror 2: Project X is an Adventure, Indie, RPG, Early Access game released in 2022, priced at $1.99, with an estimated 2,000,000 .. 5,000,000 owners and a Mostly Negative sentiment (24% of 115591 reviews).

8
playing now
24%
positive of 116k reviews
Mostly Negative
steam's rating (official)
2,000,000–5,000,000
owners (SteamSpy est.)
silver
deck/linux tier (ProtonDB)
Unsupported
Steam Deck (Valve)
SteamOS: Unsupported
$1.99
steam price (US)

8 players in-game as of 2026-10-14 10:00 UTC (census sample)

You are Naoto Jinguji, a talented FBRP researcher with a focus on supernatural beings. You are tasked to study the first live succubus in captivity. As the planes begin to overlap with increasing frequency, the bureau's board of directors is getting anxious and begin pressing you for results, causing you displeasure from the board's ironfisted policies. Faced with a growing amount of sympathy for the succubus, you will have to make choices that may affect your life.(Storyline via IGDB)

Trailer

Mirror 2: Project X trailer thumbnail

Mirror 2: Project X: this Steam review is hilarious

≈439,618 YouTube results for this game's trailer search

Health check

Healthy
  • · 8 players in-game at the last census sample.
  • · 232 reviews in the last 8 weeks (~29/week).
  • · Review velocity down 32% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (41,915 reviews).
  • · Top 1% of 28,771 Adventure games in the census by review count.

Health tier since 2026-08-29

Estimated sales: 2.3M–5.2M copies

Review-multiple estimate from 115,591 total reviews — how this is computed.

All-time low: $0.79 at Steam (2024-10-20)via IsThereAnyDeal

12-month high $1.99 · on sale 7 of 14 observed days (census price snapshots)

Review momentum

PositiveNegative
41k41k20222026Week of 2022-01-01: 22,450 positiveWeek of 2022-01-01: 632 negativeWeek of 2022-02-01: 3,690 positiveWeek of 2022-02-01: 118 negativeWeek of 2022-03-01: 2,041 positiveWeek of 2022-03-01: 301 negativeWeek of 2022-04-01: 2,727 positiveWeek of 2022-04-01: 502 negativeWeek of 2022-05-01: 1,415 positiveWeek of 2022-05-01: 162 negativeWeek of 2022-06-01: 1,952 positiveWeek of 2022-06-01: 313 negativeWeek of 2022-07-01: 1,323 positiveWeek of 2022-07-01: 415 negativeWeek of 2022-08-01: 1,100 positiveWeek of 2022-08-01: 724 negativeWeek of 2022-09-01: 808 positiveWeek of 2022-09-01: 15,517 negativeWeek of 2022-10-01: 1,010 positiveWeek of 2022-10-01: 40,905 negativeWeek of 2022-11-01: 1,770 positiveWeek of 2022-11-01: 5,704 negativeWeek of 2022-12-01: 145 positiveWeek of 2022-12-01: 3,666 negativeWeek of 2023-01-01: 294 positiveWeek of 2023-01-01: 3,177 negativeWeek of 2023-02-01: 124 positiveWeek of 2023-02-01: 1,440 negativeWeek of 2023-03-01: 349 positiveWeek of 2023-03-01: 1,665 negativeWeek of 2023-04-01: 90 positiveWeek of 2023-04-01: 278 negativeWeek of 2023-05-01: 55 positiveWeek of 2023-05-01: 262 negativeWeek of 2023-06-01: 51 positiveWeek of 2023-06-01: 308 negativeWeek of 2023-07-01: 57 positiveWeek of 2023-07-01: 312 negativeWeek of 2023-08-01: 42 positiveWeek of 2023-08-01: 412 negativeWeek of 2023-09-01: 32 positiveWeek of 2023-09-01: 244 negativeWeek of 2023-10-01: 24 positiveWeek of 2023-10-01: 174 negativeWeek of 2023-11-01: 38 positiveWeek of 2023-11-01: 134 negativeWeek of 2023-12-01: 38 positiveWeek of 2023-12-01: 121 negativeWeek of 2024-01-01: 45 positiveWeek of 2024-01-01: 117 negativeWeek of 2024-02-01: 30 positiveWeek of 2024-02-01: 107 negativeWeek of 2024-03-01: 23 positiveWeek of 2024-03-01: 125 negativeWeek of 2024-04-01: 23 positiveWeek of 2024-04-01: 82 negativeWeek of 2024-05-01: 24 positiveWeek of 2024-05-01: 58 negativeWeek of 2024-06-01: 21 positiveWeek of 2024-06-01: 94 negativeWeek of 2024-07-01: 18 positiveWeek of 2024-07-01: 127 negativeWeek of 2024-08-01: 15 positiveWeek of 2024-08-01: 90 negativeWeek of 2024-09-01: 20 positiveWeek of 2024-09-01: 92 negativeWeek of 2024-10-01: 15 positiveWeek of 2024-10-01: 59 negativeWeek of 2024-11-01: 9 positiveWeek of 2024-11-01: 65 negativeWeek of 2024-12-01: 21 positiveWeek of 2024-12-01: 68 negativeWeek of 2025-01-01: 14 positiveWeek of 2025-01-01: 51 negativeWeek of 2025-02-01: 11 positiveWeek of 2025-02-01: 34 negativeWeek of 2025-03-01: 18 positiveWeek of 2025-03-01: 50 negativeWeek of 2025-04-01: 4 positiveWeek of 2025-04-01: 34 negativeWeek of 2025-05-01: 8 positiveWeek of 2025-05-01: 25 negativeWeek of 2025-06-01: 11 positiveWeek of 2025-06-01: 40 negativeWeek of 2025-07-01: 9 positiveWeek of 2025-07-01: 73 negativeWeek of 2025-08-01: 9 positiveWeek of 2025-08-01: 47 negativeWeek of 2025-09-01: 7 positiveWeek of 2025-09-01: 32 negativeWeek of 2025-10-01: 6 positiveWeek of 2025-10-01: 20 negativeWeek of 2025-11-01: 6 positiveWeek of 2025-11-01: 21 negativeWeek of 2025-12-01: 4 positiveWeek of 2025-12-01: 25 negativeWeek of 2026-01-01: 9 positiveWeek of 2026-01-01: 23 negativeWeek of 2026-02-01: 8 positiveWeek of 2026-02-01: 20 negativeWeek of 2026-03-01: 3 positiveWeek of 2026-03-01: 23 negativeWeek of 2026-04-01: 5 positiveWeek of 2026-04-01: 30 negativeWeek of 2026-05-01: 2 positiveWeek of 2026-05-01: 21 negativeWeek of 2026-06-01: 4 positiveWeek of 2026-06-01: 29 negativeWeek of 2026-07-01: 4 positiveWeek of 2026-07-01: 19 negativeWeek of 2026-08-01: 5 positiveWeek of 2026-08-01: 41 negativeWeek of 2026-09-01: 3 positiveWeek of 2026-09-01: 15 negativeWeek of 2026-10-01: 2 positiveWeek of 2026-10-01: 10 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

1102026-09-15 11:00 — 6 players2026-09-16 19:00 — 2 players2026-09-18 03:00 — 6 players2026-09-19 10:00 — 6 players2026-09-20 18:00 — 3 players2026-09-22 02:00 — 3 players2026-09-23 09:00 — 2 players2026-09-24 17:00 — 7 players2026-09-26 00:00 — 4 players2026-09-27 08:00 — 6 players2026-09-28 15:00 — 8 players2026-09-29 23:00 — 2 players2026-10-01 06:00 — 1 players2026-10-02 14:00 — 8 players2026-10-03 21:00 — 2 players2026-10-05 05:00 — 1 players2026-10-06 13:00 — 5 players2026-10-07 20:00 — 4 players2026-10-09 04:00 — 2 players2026-10-10 11:00 — 6 players2026-10-11 19:00 — 3 players2026-10-13 03:00 — 5 players2026-10-14 10:00 — 8 players
Concurrent players, hourly average, last 30 days (census samples).
8.6k4Jan 2022Aug 2026Jan 2022 — avg 8,647 · peak 33,035Mar 2022 — avg 1,175 · peak 5,781May 2022 — avg 694 · peak 3,177Jul 2022 — avg 939 · peak 2,479Sep 2022 — avg 480 · peak 1,513Nov 2022 — avg 97 · peak 277Jan 2023 — avg 140 · peak 738Mar 2023 — avg 69 · peak 225May 2023 — avg 33 · peak 75Jul 2023 — avg 34 · peak 87Sep 2023 — avg 23 · peak 58Nov 2023 — avg 24 · peak 62Jan 2024 — avg 25 · peak 61Mar 2024 — avg 19 · peak 49May 2024 — avg 14 · peak 41Jul 2024 — avg 13 · peak 33Sep 2024 — avg 14 · peak 38Nov 2024 — avg 10 · peak 35Jan 2025 — avg 10 · peak 30Mar 2025 — avg 9 · peak 22May 2025 — avg 8 · peak 28Jul 2025 — avg 9 · peak 19Sep 2025 — avg 6 · peak 20Nov 2025 — avg 7 · peak 18Jan 2026 — avg 5 · peak 16Mar 2026 — avg 5 · peak 17May 2026 — avg 4 · peak 14Jul 2026 — avg 4 · peak 11Aug 2026 — avg 5 · peak 16
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$1.99$0.792022-01-212026-08-272022-01-21 — best price $1.192022-04-12 — best price $1.992022-06-08 — best price $1.192022-07-07 — best price $1.992022-09-29 — best price $1.192022-11-29 — best price $1.992022-12-23 — best price $1.192023-02-02 — best price $1.992023-05-05 — best price $1.992023-06-29 — best price $1.192023-09-29 — best price $1.992023-11-21 — best price $0.992023-12-20 — best price $1.992024-01-24 — best price $0.992024-03-21 — best price $1.992024-05-10 — best price $0.992024-07-11 — best price $1.992024-09-05 — best price $0.992024-11-03 — best price $1.992024-12-19 — best price $0.792025-01-30 — best price $1.992025-03-13 — best price $0.792025-05-05 — best price $1.992025-06-27 — best price $0.792025-08-01 — best price $1.992025-09-29 — best price $0.792025-11-13 — best price $1.992026-02-12 — best price $0.792026-03-26 — best price $1.992026-06-25 — best price $0.792026-08-27 — best price $1.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

1
achievements tracked
96.8%
earned "Heros of Mirror 2"
96.8%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsSingle-playerSteam AchievementsSteam WorkshopSteam CloudFamily Sharing11 DLC

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

Post-launch support: 11 DLC released, first 2022-01-21, latest 2022-06-23 (Steam store data)

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)13,683100%1

Players tracked by Exophase (achievement/trophy trackers) — a sample of the player base, not total sales.

Where its players are

Share of Steam reviews by language (top languages measured) — a proxy for where the player base lives.

Player tags

3DFMVFPSRPGAnimeDramaCasualMatch 3ColorfulStory Rich

Census log

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

Players also track

Star Control®: OriginsDon't Knock TwiceTanziaPLANET ALPHAForgotton AnneWeapon Shop FantasyUnbound: Worlds ApartRebel Galaxy Outlaw

Similarity via IGDB.