Captain Lantus
Gary Rapson Adventure
Guard the Insulin Cube. Manage your blood sugar. Become a superhero
- Downloads
- 12+
- on Google Play
- Price
- $5.49
- No in-app purchases
- Updated
- Aug 28
- 2026 · v0.4.0
Screenshots
About Captain Lantus
CAPTAIN LANTUS
When Max was six years old, he had one idea. He wanted children with diabetes to feel like superheroes.
Max was diagnosed with Type 1 Diabetes at eighteen months old. He knows what it is to check, to count, to correct, and to carry on anyway. So he invented a hero who does the same thing, and wins.
This game is his idea, made real.
THE STORY
Beta Town is a sunny, happy place where everybody has Type 1 Diabetes. That is what makes it special. At its centre sits the Insulin Cube, a glittering rainbow cube whose light keeps every resident's blood sugar perfectly balanced.
On the day of the Food Festival, seven year old Max volunteers to guard the Cube so that everybody else can enjoy the ice cream, the chocolate fountains and the giant fruit kebabs. That is when King Carb and his Carbonites sneak in and steal it. Without the Cube's light, Beta Town falls. Everybody drops, drained of energy.
Only Max is left standing. He presses a secret insulin pump to his stomach, he spins, a cloak flies out behind him, and he begins to glow.
He is Captain Lantus. And he is going to bring the Cube home.
YOUR BLOOD SUGAR IS YOUR POWER
Captain Lantus does not have a health bar. He has a blood glucose meter, and it is the heart of the game.
Stay in range and you go SUPER CHARGED. You run faster, jump higher, hit harder and score double. Being in range is not a chore. It is the reward.
Go too high and you slow down. Use an insulin capsule, or sprint hard and burn the sugar off. Go too low and you weaken. Grab a glucose pack. Touch a festival sweet and your glucose spikes.
Out of range is never a failure and never a telling off. It is a puzzle you can always fix.
That is the whole point. Managing your blood sugar makes you powerful, not punished.
WHAT YOU DO
Run, jump and double jump through Beta Town
Fire blue energy bursts at the Carbonites, and hit harder while you are in range
Dodge King Carb's ground stomps and shockwaves
Collect coins, stars, insulin capsules and glucose packs
Beat King Carb and bring the Insulin Cube home
SAFE FOR CHILDREN
No adverts. No tracking. No analytics. No accounts. No sign up. Nothing you do in this game ever leaves your phone. We built it that way on purpose.
WHAT IS IN THIS RELEASE
Level 1, The Insulin Cube Heist, with the full blood glucose system and the King Carb boss fight. More levels and more heroes, including Mayor Bolus, Poppy Star and Captain Nova, are on the way.
BASED ON THE BOOK
The Adventures of Captain Lantus
Created by Max Rapson, age 6
Written by Gary Rapson
Developed by Meyer Digital Co
For every child who has been told they are different, and deserves to know they are a superhero.
When Max was six years old, he had one idea. He wanted children with diabetes to feel like superheroes.
Max was diagnosed with Type 1 Diabetes at eighteen months old. He knows what it is to check, to count, to correct, and to carry on anyway. So he invented a hero who does the same thing, and wins.
This game is his idea, made real.
THE STORY
Beta Town is a sunny, happy place where everybody has Type 1 Diabetes. That is what makes it special. At its centre sits the Insulin Cube, a glittering rainbow cube whose light keeps every resident's blood sugar perfectly balanced.
On the day of the Food Festival, seven year old Max volunteers to guard the Cube so that everybody else can enjoy the ice cream, the chocolate fountains and the giant fruit kebabs. That is when King Carb and his Carbonites sneak in and steal it. Without the Cube's light, Beta Town falls. Everybody drops, drained of energy.
Only Max is left standing. He presses a secret insulin pump to his stomach, he spins, a cloak flies out behind him, and he begins to glow.
He is Captain Lantus. And he is going to bring the Cube home.
YOUR BLOOD SUGAR IS YOUR POWER
Captain Lantus does not have a health bar. He has a blood glucose meter, and it is the heart of the game.
Stay in range and you go SUPER CHARGED. You run faster, jump higher, hit harder and score double. Being in range is not a chore. It is the reward.
Go too high and you slow down. Use an insulin capsule, or sprint hard and burn the sugar off. Go too low and you weaken. Grab a glucose pack. Touch a festival sweet and your glucose spikes.
Out of range is never a failure and never a telling off. It is a puzzle you can always fix.
That is the whole point. Managing your blood sugar makes you powerful, not punished.
WHAT YOU DO
Run, jump and double jump through Beta Town
Fire blue energy bursts at the Carbonites, and hit harder while you are in range
Dodge King Carb's ground stomps and shockwaves
Collect coins, stars, insulin capsules and glucose packs
Beat King Carb and bring the Insulin Cube home
SAFE FOR CHILDREN
No adverts. No tracking. No analytics. No accounts. No sign up. Nothing you do in this game ever leaves your phone. We built it that way on purpose.
WHAT IS IN THIS RELEASE
Level 1, The Insulin Cube Heist, with the full blood glucose system and the King Carb boss fight. More levels and more heroes, including Mayor Bolus, Poppy Star and Captain Nova, are on the way.
BASED ON THE BOOK
The Adventures of Captain Lantus
Created by Max Rapson, age 6
Written by Gary Rapson
Developed by Meyer Digital Co
For every child who has been told they are different, and deserves to know they are a superhero.
What’s new
Version 0.4.0 · Updated August 28, 2026
Captain Lantus first 3 levels saving the world one level at a time
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ムーンダウン
| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| Captain Lantus | – | $5.49 | 10+ | Aug 28, 2026 | |
| Traficross Roady Adventure | – | Free | 1+ | Feb 13, 2026 | Compare |
| Ultimate Coin Hunter | – | Free | 1+ | Aug 8, 2026 | Compare |
| Gate Rusher | – | Free | 5,000+ | Aug 4, 2026 | Compare |
| Escape Game Forest Clinic | 4.4 / 5 | Free | 5,000+ | Sep 22, 2026 | Compare |
| The Red Trace Mystery (F2P) | – | – | 5,000+ | Oct 2, 2026 | Compare |
| ムーンダウン | – | Free | 500+ | Sep 24, 2026 | Compare |
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