Games like Testimony of HELP
Games like Testimony of HELP include The Hungry Lamb: Traveling in the Late Ming Dynasty, The Great Ace Attorney Chronicles, The Weeping Swan: Ten Days of the City's Fall, Valiant Hearts: The Great War™ / Soldats Inconnus : Mémoires de la Grande Guerre™, and Road to Empress I. We matched them by genre: closest matches first, and among equally close ones the better-known games.

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Historical · Adventure

The Great Ace Attorney Chronicles
Shared: Visual Novel · Adventure · Historical

The Weeping Swan: Ten Days of the City's Fall
Shared: Historical · Visual Novel · Adventure

Valiant Hearts: The Great War™ / Soldats Inconnus : Mémoires de la Grande Guerre™
Shared: Historical · Adventure

Road to Empress I
Shared: Visual Novel · Adventure · Historical

The Wolf Among Us
Shared: Adventure · Visual Novel

Raging Loop
Shared: Visual Novel · Adventure

Hakuoki: Edo Blossoms
Shared: Visual Novel · Adventure · Historical

Lay a Beauty to Rest: The Darkness Peach Blossom Spring
Shared: Visual Novel · Adventure

PARANORMASIGHT: The Seven Mysteries of Honjo
Shared: Visual Novel · Adventure

Assassin's Creed® Origins
Shared: Historical · Adventure

Pentiment
Shared: Historical · Adventure

Fate/stay night REMASTERED
Shared: Visual Novel · Adventure · Historical

Milk inside a bag of milk inside a bag of milk
Shared: Visual Novel · Adventure

星空列车与白的旅行
Shared: Visual Novel · Adventure

WITCH ON THE HOLY NIGHT
Shared: Visual Novel · Adventure

Prisoner of the Ephemeral Kingdom
Shared: Adventure · Visual Novel · Historical

Summer Pockets
Shared: Visual Novel · Adventure

Marco & The Galaxy Dragon
Shared: Visual Novel · Adventure

Vampires' Melody
Shared: Visual Novel · Adventure

We. The Revolution
Shared: Historical · Adventure · Visual Novel

Assassin's Creed® III Remastered
Shared: Adventure · Historical

Danganronpa: Trigger Happy Havoc
Shared: Visual Novel · Adventure

Misericorde Volume Two: White Wool & Snow
Shared: Adventure · Visual Novel · Historical