Blueteak

Blueteak

I’m Jonathan Schenker - online I’m Blueteak. I run Alvios, the studio behind Vellum and Roads & Riches.

Play my games

A white-robed spellcaster in Vellum’s violet library, towering bookshelves and a brass armillary sphere behind

Vellum

Write on! Defend the books in Vellum, a co-op, literary roguelike! Harness class-defining colors, master an inspired spellbook, and influence the growth of your enemy! As a group or solo, you'll craft plot-twisting builds to rewrite the rules in Ink!

Alvios GamesReleased 20251–4 players online

A wooden merchant caravan with a red awning, parked on a bright green hill under a blue sky

Roads & Riches

Hit the road alone or with friends in your caravan! Travel across faraway lands, sell wonderful wares, and find magical treasures all in a dynamic economic world where every journey offers different opportunities - all to win over the world's hearts, minds... and wallets!

Alvios GamesComing soon1–4 players online

The QuiVr logo over an archer overlooking a desert canyon full of glowing enemies

QuiVr

QuiVr is the defining archery experience, made from the ground up for Virtual Reality. Grab your bow, arrows, and some friends to fight the enemy onslaught.

SteamVRReleased 2018Developed as Blueteak

The rainbow Marble It Up! logo beside a glass marble rolling over a red track in space

Marble It Up!

Roll, bounce, boost, and blast your way to victory in Marble It Up! Ultra - the ultimate marble platformer. Chase the records of your friends and the world's best players through a vast campaign - or face them head-on in thrilling multiplayer mayhem. Get ready to roll!

First released 2018Ultra on Switch, PlayStation, Xbox, PC & Mac

Misc. Projects

  • The Unity logo inside a brain made of connected points

    Unity Neural Network

    A simple feedforward neural network in C#, small enough to read in one sitting. Its demo scenes learn which text color is easiest to read on a random background, and when to jump.

    C# · Unity200+ stars on GitHub

  • A black-and-white first-person maze corridor with an eyeball opponent, above a top-down maze map

    MazeWar

    A pixel-perfect recreation of Maze War as it ran on the Xerox Alto: the original 606 × 808 display, replica Alto fonts, LAN multiplayer and AI rivals with pathfinding and sight.

    C#1970s shooter, rebuilt

  • A network of blue nodes labelled with lyric words

    Lyric Graph

    Enter a song and its artist and the lyrics become a network. Bigger nodes repeat more; thicker lines join words that keep turning up side by side.

    WebRuns on this server

About the iceberg

An iceberg diagram: a small tip labelled “what players see” above the waterline, and a much larger mass labelled “what keeps it afloat” beneath it. what players see what keeps it afloat

I’m Jonathan Schenker - online I’m Blueteak. I run Alvios, the studio behind Vellum and Roads & Riches.

The avatar is a fair summary of the job. The part people see is the fun bit: a satisfying bow draw, a marble that rolls just right, a spell that lands. Most of the mass sits underneath: tools, systems, and code tidy enough that the next feature is easy to add. I enjoy both halves.