Shinsekai: Into the Depths is described as 'The land has slowly but steadily been covered with ice, forcing mankind to take refuge in the ocean. Even the sea cannot protect them forever. The ice overtakes the undersea home of a lone aquanaut, forcing an unplanned journey of exploration and discovery' and is a Platform Game in the games category. There are more than 25 games similar to Shinsekai: Into the Depths for a variety of platforms, including Windows, Steam, Mac, Playstation and Nintendo Switch apps. The best Shinsekai: Into the Depths alternative is Cave Story (Dokutsu Monogatari), which is free. Other Shinsekai: Into the Depths like games are Hollow Knight, Frogatto & Friends, Ori and Fe.
Cave Story, or Dokutsu Monogatari, is a Japanese freeware Metroidvania side-scrolling Metroidvania platform-adventure game developed by Studio Pixel . It has been translated into English by Aeon Genesis Translations.
Japan
Forge your own path in Hollow Knight! An epic action adventure through a vast ruined kingdom of insects and heroes. Explore twisting caverns, battle tainted creatures and befriend bizarre bugs, all in a classic, hand-drawn 2D style.
Australia
Frogatto & Friends is an action-adventure game, starring a certain quixotic frog. A quiet errand run turns into a battle to fend off an invading army, and only Frogatto is foolhardy enough to sleuth out why.
United States
Embark on an all-new adventure in a vast and exotic world, where you’ll encounter towering enemies and challenging puzzles on your quest to discover Ori’s true destiny.
Austria
EU
Embark on an adventure in a Nordic forest using a unique song mechanic to communicate wordlessly with mystical creatures. Scale, glide, learn animal cries to form alliances with wildlife, and combat the Silent Ones. A world filled with secrets awaits your discovery.
SwedenEU
A cute physics platformer that plays in a fictional world of the future the infamous super villain Dr. Lacroix schemes to seize world supremacy with his army of robots. You take the role of Nikki and try to cross those evil plans on behalf of a secret organization.
GermanyEU
Japan
Embark on an adventure as Tove in a breathtaking snowy wilderness. Solve ancient puzzles, discover hidden paths, and interact with magical creatures in this rich tale grounded in Scandinavian folklore. Navigate diverse challenges to save your family and uncover hidden mysteries.
United Kingdom
Bloodstained: Ritual of the Night is a gothic horror action side-scrolling RPG set in 18th century England. A paranormal force has summoned a demon-infested castle, revealing crystal shards infused with tremendous magical power.
Japan
A fan-made game based on the Castlevania series. Play as Efrain Lecarde, a knight of the church, who is sent to investigate a strange event that occurred in the cemetery of his hometown of Segovia Spain.
Play as The Penitent One - a sole survivor of the massacre of the ‘Silent Sorrow’. Trapped in an endless cycle of death and rebirth, it’s down to you to free the world from this terrible fate and reach the origin of your anguish.
SpainEU
The year is 2188. The city is protected by an organization called "The Peacekeepers League" and everything is swell except for that it's under attack! By a robot army lead by professor Darnacus Damnation!!
SwedenEU
