Single-player games like 未然探偵 The Protea Cases
Below are 16 single-player Steam games similar to 未然探偵 The Protea Cases, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like 未然探偵 The Protea Cases page.
Ranked picks
- 1

Expelled!
Single-player alternative to 未然探偵 The Protea Cases — playable solo, no multiplayer required. Shares Adventure with 未然探偵 The Protea Cases.
A School Prefect has been pushed out of a window, and everyone's blaming YOU. Can you find the culprit - or someone to take the fall - before you get EXPELLED? Mystery with a wicked twist, from the creators of Overboard!, 80 Days, Heaven's Vault and A Highland Song.
- 2

The Wolf Among Us
Single-player alternative to 未然探偵 The Protea Cases — playable solo, no multiplayer required. Shares Adventure with 未然探偵 The Protea Cases.
From the makers of the 2012 Game of the Year: The Walking Dead, comes a thriller based on the award-winning Fables comic books. As Bigby Wolf you will discover that a brutal, bloody murder is just a taste of things to come in a game series where your every decision can have enormous consequences.
- 3

Life is Strange: Before the Storm
Single-player alternative to 未然探偵 The Protea Cases — playable solo, no multiplayer required. Shares Adventure with 未然探偵 The Protea Cases.
Life is Strange: Before the Storm is a new three part standalone story adventure set three years before the events of the first game. This time play as Chloe Price, a rebel who forms an unlikely friendship with Rachel Amber in a dramatic new story in the BAFTA award winning franchise.
- 4

The Great Ace Attorney Chronicles
Single-player alternative to 未然探偵 The Protea Cases — playable solo, no multiplayer required. Shares Adventure with 未然探偵 The Protea Cases.
Immerse yourself in a dramatic yet charming and witty world of evidence-gathering, deduction and courtroom battles with this double-pack of the adventures of rookie lawyer Ryunosuke.
- 5

Danganronpa V3: Killing Harmony
Single-player alternative to 未然探偵 The Protea Cases — playable solo, no multiplayer required. Shares Adventure with 未然探偵 The Protea Cases.
A new cast of 16 characters find themselves kidnapped and imprisoned in a school. Inside, some will kill, some will die, and some will be punished. Reimagine what you thought high-stakes, fast-paced investigation was as you investigate twisted murder cases and condemn your new friends to death.
- 6

Apollo Justice: Ace Attorney Trilogy
Single-player alternative to 未然探偵 The Protea Cases — playable solo, no multiplayer required. Shares Adventure with 未然探偵 The Protea Cases.
Join rookie attorney Apollo Justice and his mentor, the legendary Phoenix Wright, in this collection of 3 games! This title features 16 episodes (including previously DLC-only episodes) and supports English, French, German, Japanese Korean, and Traditional and Simplified Chinese.
- 7

Kathy Rain: Director's Cut
Single-player alternative to 未然探偵 The Protea Cases — playable solo, no multiplayer required. Shares Adventure with 未然探偵 The Protea Cases.
The award-winning point-and-click adventure returns in the Director's Cut with an extended story, additional puzzles, and new areas to explore. Witness the rise of an iconic detective as you uncover a dark and sinister truth hiding behind the calm exterior of a small rural town.
- 8

Cabernet
Single-player alternative to 未然探偵 The Protea Cases — playable solo, no multiplayer required. Shares Adventure with 未然探偵 The Protea Cases.
Cabernet is a 2D narrative RPG set in a 19th century Eastern European inspired world, with a modern twist. Guide Liza, a young vampire in her new unlife among the unsuspecting townsfolk. Will you retain your humanity or descend further into the horror you have become?
- 9

KAMITSUBAKI CITY REGENERATE
Single-player alternative to 未然探偵 The Protea Cases — playable solo, no multiplayer required. Shares Adventure with 未然探偵 The Protea Cases.
Answer the summons to the parallel world of "Kamitsubaki City" and meet a cast of colorful characters as you set out on a quest to save this city from the brink of destruction in this dark-fantasy sci-fi visual novel!
- 10

ゴシックマーダー -運命を変えるアドベンチャー-
Single-player alternative to 未然探偵 The Protea Cases — playable solo, no multiplayer required. Shares Adventure with 未然探偵 The Protea Cases.
命を狙われる当主を守るため、メイドの少女が恐るべき殺人計画に挑む!20世紀初頭英国の伯爵家を舞台にした恋愛ミステリーゲーム。予知夢を元に殺人計画の謎を推理して、当主の命を守る――待ち受けるのは死か密やかな恋か? 選択によっていくつものエンディングに分岐します。
- 11

イヌワシ ~うらぶれ探偵とお嬢様刑事の池袋事件ファイル~
Single-player alternative to 未然探偵 The Protea Cases — playable solo, no multiplayer required. Shares Adventure with 未然探偵 The Protea Cases.
お嬢様刑事とうらぶれ探偵が挑む17の事件! 池袋を舞台に男女コンビが大活躍!元ギャング執事に天才高校生ハッカーなど個性あふれるキャラクター達と力を合わせて、サスペンスにコメディ、オカルトなど多彩な事件に挑もう!
- 12

Gothic Murder: Adventure That Changes Destiny
Single-player alternative to 未然探偵 The Protea Cases — playable solo, no multiplayer required. Shares Adventure with 未然探偵 The Protea Cases.
A housemaid takes on a terrifying murder plan in order to protect her lord, whose life is in danger! A romantic mystery that takes place at an earl's manor in 20th-century England. Depending on the selection, the story will branch into different endings.
- 13

少女首領の推理領域 -黄金島の密約-
Single-player alternative to 未然探偵 The Protea Cases — playable solo, no multiplayer required. Shares Adventure with 未然探偵 The Protea Cases.
マフィアが支配する島で、少女の危険な謎解きが始まる――舞台は2002年、大西洋に浮かぶグイムル諸島。マフィアのボスである父を殺された主人公は事件の真相に迫るため、その跡を継ぐ。グイムルには4つのマフィアの縄張りがあり、そこを調べるためには各ボスと交渉して、協力を求めなければならないといった事情があるからだ。時に証拠を武器にマフィア達と渡り合い、時にボスとして守られながら行く先に待ち受けるものは、さらなる事件と島に隠された宝?選択によって、いくつものエンディングに分岐します。
- 14

パズルハムスター ~地球冒険記~
Single-player alternative to 未然探偵 The Protea Cases — playable solo, no multiplayer required.
match3 puzzle action game! Press the block. Climb the block. Erase the block. Let's aim for the goal! Simple puzzle game!
- 15

LAB
Single-player alternative to 未然探偵 The Protea Cases — playable solo, no multiplayer required. Shares Adventure with 未然探偵 The Protea Cases.
Deep underground in an old laboratory, an animal wakes up. Invisible enemies blocking the way, complex old underground facilities, narrow ducts... Lead the helpless lone animal to escape to the ground floor.
- 16

カテゴリーI -死線上のサバイバー-
Single-player alternative to 未然探偵 The Protea Cases — playable solo, no multiplayer required. Shares Adventure with 未然探偵 The Protea Cases.
生死を分けるのは、人狼ゲームに似たコミュニケーションゲーム―― 爆発事故に巻き込まれ、瀕死のままVR空間で目覚めた10人の男女。 手術を受けて生還するためには人狼ゲームに似た「インフェクテッド・ゲーム」で上位に入らなければならない。 「ゴシックマーダー」「探偵 神宮寺三郎」シリーズ、「イヌワシ」など数多くのADVを制作したオレンジが送る新作ADV。 メインイラストレーター:岸和田ロビン