Screenshots
Watch trailer on Steam ↗The Lost Son
Cross Coder · Published by Cross Coder · Official site ↗
Positive — 94% positive (17 reviews)
Last updated 27 Sept 2026
The Lost Son is a short but challenging indie puzzle platformer game tease. Have your wits about you and use both characters to decode the cyber ruins and find your lost son!
Free to PlayDJCTQ 6
Free
Action, Adventure, Indie, Free To Play, Strategy · 2024 · More free games
Embark on a thrilling quest as The Lost Son, an indie game where strategy and quick thinking are key. Use both playable characters to decode puzzles and rescue your lost son in a short but intense adventure.
About this game
Story
Sean and Belle are on their way to visit their son for his birthday but suddenly they wake up in a mysterious world. Lost and confused, the couple ventures out into the unknown to find out where they are and where their son is.
Gameplay
In The Lost Son is a puzzle platformer where you play as two characters that you can switch between. Each character has a unique interaction with color. The blue character can only collide with blue barriers and pink circle can only collide with pink barriers. As simple as this constraint is it can create some interesting puzzles where you have to use both character's unique abilities to progress!
Solo Mode
Ready to take on the challenge all alone with that big brain of yours? In solo mode character switching is the key. Make sure to use both character's unique attributes and abilities to advance through the levels!
Work Together
Want to play with a friend? We've got you covered! In The Lost Son you can connect a controller to the game and it will automatically enter split-screen! Work together to beat the stages and have a blast! (Only works is there is one keyboard and one controller at the moment).
Required - Keyboard & Mouse
Co-op - A Keyboard & Mouse for the first player, and a controller for the 2nd player
Keyboard Controls
Move - Arrow Keys/A and D
Switch Characters (only in single player mode) - Tab
Pause - Escape
Jump - Z/Space
Stomp Attack - X/S
Air Dash - C/Left Click
Gamepad (2nd Player Only)
D-Pad/Left Stick - Move
Button South - Jump
Button North - Air Dash
Button East - Stomp Attack
Sean and Belle are on their way to visit their son for his birthday but suddenly they wake up in a mysterious world. Lost and confused, the couple ventures out into the unknown to find out where they are and where their son is.
Gameplay
In The Lost Son is a puzzle platformer where you play as two characters that you can switch between. Each character has a unique interaction with color. The blue character can only collide with blue barriers and pink circle can only collide with pink barriers. As simple as this constraint is it can create some interesting puzzles where you have to use both character's unique abilities to progress!
Solo Mode
Ready to take on the challenge all alone with that big brain of yours? In solo mode character switching is the key. Make sure to use both character's unique attributes and abilities to advance through the levels!
Work Together
Want to play with a friend? We've got you covered! In The Lost Son you can connect a controller to the game and it will automatically enter split-screen! Work together to beat the stages and have a blast! (Only works is there is one keyboard and one controller at the moment).
Required - Keyboard & Mouse
Co-op - A Keyboard & Mouse for the first player, and a controller for the 2nd player
Keyboard Controls
Move - Arrow Keys/A and D
Switch Characters (only in single player mode) - Tab
Pause - Escape
Jump - Z/Space
Stomp Attack - X/S
Air Dash - C/Left Click
Gamepad (2nd Player Only)
D-Pad/Left Stick - Move
Button South - Jump
Button North - Air Dash
Button East - Stomp Attack
System Requirements
Will my PC run this? →Minimum
Minimum:
- Requires a 64-bit processor and operating system
- OS: 64-bit
- Processor: Intel(R) Core(TM) i5-7200U CPU @ 2.50GHz
- Memory: 8 GB RAM
- Graphics: Intel (R) HD Graphics 620
- Storage: 217 MB available space
- Sound Card: Intel (R) Display Audio
- VR Support: Unsupported
- Additional Notes: This game does not support ultra-wide monitors.
Recommended
Recommended:
- Requires a 64-bit processor and operating system
Supported Languages
English
Latest news
Patch NotesOfficial
The Lost Son Hardmode & Twitch Update
The wait is finally over! Jump into this new Update of The Lost Son now available to play today! After a much needed break and hard work I've finally finished the major and final update to my indie game The Lost Son. Here's a short preview of what you'll be enjoying! Key features include: A new hard difficulty option with altered level layouts Twitch chat integration In-game timer General refinements and bug fixes Hard mode With great difficulty comes great responsibility! In hard mode there are adjusted level layouts that add to the fun and also to the pain. Don't worry. If a particular level is too difficult for you in hard mode, you can effortlessly toggle it off in the pause menu in-game. Twitch Integration Streamers can now connect the Lost Son to their channels and have their audience interact with the game in real time! With the command list comes loads of challenge and fun! Here's a list of the Twitch commands: !dash !jump !altergravity !cam_rotate !grow !shrink !altertime Let your audience give them a try and find out exactly what they do! Speed Timer In the new timed mode you can race against the clock and record your best time in the game! This is great for those who enjoy speed running! Customize Your Experience The great thing is these additions can be mixed and matched! If you're a Twitch streamer you can entertain your viewers by playing hard mode or attempting a speedrun. If you prefer to play regular difficulty you can allow chat to connect and try to stop you the whole way through! No matter what you decide, streamer or not, I'm confident that you will have a fun time and even bang your desk a little in rage :) I've really enjoyed putting this update together despite my schedule being very hectic and I can't wait to see everyone playing and enjoying it! Be blessed! - CrossRead full article on Community Announcements (Cross Coder)
