Free games like Natsu-Mon: 20th Century Summer Kid
Below are 10 free-to-play Steam games similar to Natsu-Mon: 20th Century Summer Kid, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Natsu-Mon: 20th Century Summer Kid page.
Ranked picks
- 1
Doki Doki Literature Club!
Free-to-play alternative to Natsu-Mon: 20th Century Summer Kid — no purchase or trial window.
The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.
- 2
Life is Strange - Episode 1
Free-to-play alternative to Natsu-Mon: 20th Century Summer Kid — no purchase or trial window. Shares Adventure with Natsu-Mon: 20th Century Summer Kid.
Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.
- 3
Bongo Cat
Free-to-play alternative to Natsu-Mon: 20th Century Summer Kid — no purchase or trial window.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
- 4
ENA: Dream BBQ
Free-to-play alternative to Natsu-Mon: 20th Century Summer Kid — no purchase or trial window. Shares Adventure with Natsu-Mon: 20th Century Summer Kid.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
- 5
Indigo Park: Chapter 1
Free-to-play alternative to Natsu-Mon: 20th Century Summer Kid — no purchase or trial window. Shares Adventure with Natsu-Mon: 20th Century Summer Kid.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
- 6
STRAFTAT
Free-to-play alternative to Natsu-Mon: 20th Century Summer Kid — no purchase or trial window.
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
- 7
The Looker
Free-to-play alternative to Natsu-Mon: 20th Century Summer Kid — no purchase or trial window.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
- 8
Sheepy: A Short Adventure
Free-to-play alternative to Natsu-Mon: 20th Century Summer Kid — no purchase or trial window. Shares Adventure with Natsu-Mon: 20th Century Summer Kid.
A Short Handcrafted Pixel Art Platformer that follows Sheepy, an abandoned plushy brought to life. Sheepy: A Short Adventure is the first short game from MrSuicideSheep.
- 9
Nacho Chihuahua: The Movie: The Game
Free-to-play alternative to Natsu-Mon: 20th Century Summer Kid — no purchase or trial window. Shares Adventure with Natsu-Mon: 20th Century Summer Kid.
Join Nacho as he pursues his true destiny: to return to his homeland, South of the Border!
- 10
BROK - Natal Tail, A New Christmas
Free-to-play alternative to Natsu-Mon: 20th Century Summer Kid — no purchase or trial window. Shares Adventure with Natsu-Mon: 20th Century Summer Kid.
A Christmas tale set in the world of BROK the InvestiGator, presented as a visual novel.