Two brothers, one mission.
SATS LION was dreamed up by a Year 5 pupil and built by his older brother. The person we make it for and the person who makes it are family, and that keeps us honest.
Muhammad Yousuf Sarfraz
Year 5
Yousuf is the reason SATS LION exists, and he is exactly the player we build for. As a Year 5 pupil, he is also our sharpest critic. He decides what makes a quest genuinely fun, what feels like a chore, and whether Leo is cool enough. Every idea has to pass his test first: would a real Year 5 actually want to open this? If it does not earn a grin from Yousuf, it does not ship.
- Leo the Lion, our mascot, was designed by Yousuf.
- The way Leo strolls across the screen as you scroll? That was Yousuf's idea.
- Plenty of the game's best touches started life as a Yousuf suggestion.
Muhammad Ahmed Sarfraz
Ahmed builds it. He turns his younger brother's ideas into a real product: the game, the spaced-repetition learning engine, the teacher tools and the privacy-first platform underneath. He owns the engineering and the architecture, and he is the one who keeps every line honest, safe for children and aligned to the curriculum.
How it started
Like a lot of families, ours knows the Year 6 SATS fight: the spelling, punctuation and grammar that turns a calm evening into a stand-off. Yousuf lives that curriculum every day and knew exactly what would make practising it feel less like a worksheet and more like a game worth opening. Ahmed could build it.
So they did, together. One brother brings the pupil's eye, the sense of fun and the honest verdict on whether a Year 5 pupil would actually enjoy it. The other brings the engineering, turning those ideas into a real, safe, curriculum-aligned product. It is a small team on purpose, and being close to the player we serve is our biggest advantage.
Come build the rest with us.
Try SATS LION free at home, or book a school pilot. We are just getting started, and we would love your honest take.