Utilities
a2b.sh
My personal short links on my own domain. Not open for public use.
SplitBill
Split trip costs with your group, no sign-ups, and settle up in the fewest payments
FamilyHub
Family task management with shared chores, shopping lists, and activity tracking
Gia PhαΊ£
A lacquer-and-gold family tree the whole family fills in together: generations left to right, photos, ngΓ y giα» and family tombs, with separate view and edit passwords
Study Schedule
Learning schedule manager for kids with teacher quota tracking and recurring classes
Secure Notes
Zero-knowledge encrypted notes and password manager with TOTP support
M5 Notes
Editable plain-text feed for an M5Paper e-ink display, with a pixel-accurate 960Γ540 preview
geosign
Plant a virtual signboard at a real-world spot. Others nearby see your dot through the camera, and the sign reveals itself when they stand where you stood
NewsFlow
RSS aggregator that pulls feeds hourly, weights keywords and groups similar articles into one smart-scored stream
Tag Claim
Scan any barcode or QR code β if nobody owns it, claim it with a photo or a doodle. Everyone who scans it after sees your tag
Hanzi Panda
Handwrite the Chinese words you pick up, get pinyin and meaning filled in, then flip through flashcards until they stick
Games
Mahjong Nights
Four seats in a lantern-lit tea house: classic Hong Kong rules, or Singapore rules with flower and animal tiles. Play clever bots or friends on their own phones
Night Train
A runaway cyberpunk train and a broken bridge ahead: crew fight forward car by car through padlocks, UV ink, dead circuits and torn notes while Dispatch watches the cameras and holds the archive
Tick Box
A ticking wooden puzzle box in one player's hands and the only manual on everyone else's phones: turn the box, describe what you see, and talk each other through 15 modules before it goes off
Gem Heist
One living castle vs a gang of blocky raiders: the castle (in VR or on a screen) throws boulders while friends on their phones dig tunnels, build walls and catapult over to steal its gems
Bun Bun Bistro
A cute Diner Dash-style cafΓ© rush: seat animal guests in their colours, take orders, serve, collect and clear, chain your jobs, and buy upgrades between days
City Stack
Build a Pocket City-style town on your own plot of a shared world: trade goods, fight smog drifting from next door, and stack a mall on your airport
Boom Hills
Cute fantasy artillery: lob berries, eggs and thunderclouds across destructible hills, tap mid-flight for tricks, and knock critters into the water
Spill It!
Push-your-luck party card game. Tap to pour into the shared cup, draw from the pile your pour earns, Nope, steal and redirect⦠and don't be the one who spills it
Blind Hot Potato
Same-room party game for phones. Only the holder's phone ticks, so pass it on before it blows and listen for whoever's panicking
Hex Fleet
Battleship on hexagons for any number of captains. Steer through the fog, fire blind, and listen for where the enemy's guns were heard
Sunswarm
Real-time swarm strategy: circle your suns, fling glowing swarms at neutral and enemy suns, and be the last colour shining
Into the Wilds
Top-down wilderness survival: wake up in a random biome with a backpack, rifle and ten matches; hunt, gather, build a camp on a grid and light a signal fire before rescue night
Castles & Conquests
Two-player fog-of-war strategy: deploy knights, scouts and archers, tunnel through no man's land, and march four tokens into the enemy castle
Chef Rush
An Overcooked-style kitchen rush for phones: tap crates, boards and stoves to send your chefs chopping, cooking, washing up and serving before the orders run out
Hearth & Clans
Lead a fantasy clan through four seasons: swipe through fate, rule and war cards, trade with neighbours, raid in secret and vote on omens
Apocalypse Survivors
Year 2089: lead a bunker of survivors with friends in real time. Dig, build rooms, keep everyone fed and calm, and beat disasters with shared co-op mini-games
Sniper!
Top-down sniper duels: sneak your team through fog of war, spot the enemy first, hunker down unseen, and land the headshot through a swaying scope
Legions
Total War-style quick battles: pick your squads, deploy, flank and charge, and break the enemy's morale on random 2.5D battlefields
Navy Battle
Real-time 2.5D naval battles: steer with a joystick, train your turrets with a tap, fire salvos and torpedo fans. Mix and match guns on US, European and Japanese warships
Doodle Chain
Draw a word, guess a doodle, pass it round the ring β then reveal how hilariously wrong it went, and save it to the gallery