// root of the sandbox ▮
17 modules · 6 playable · 0 trackers
== net · packet → flow → throughput ==
One packet, all the way down. Open a pcap or build one from a template — every header as an RFC bit diagram wired to the hex, checksums verified as you edit.
onlineA capture, one level up. Packets grouped into conversations and drawn as ladder diagrams, with the patterns named — handshakes, ARP discovery, ping loss, retransmissions, resets.
onlineThe whole host at once. Feed it ss, conntrack or /proc/net/dev and it draws rx/tx as ASCII wires and a live peer map — throughput, destinations, port folding, and a one-click GIF of the session.
onlineA playground for TLS. Turn the crank on RSA and Diffie–Hellman with numbers small enough to read, then run the real key schedule and tune a connection until it breaks.
online== learn ==
Twelve graph algorithms, step by step. Watch each one run on a small graph while its queue, stack or heap fills and drains and the matching line of C++ lights up — then copy code that compiles as-is.
onlineDynamic programming, one cell at a time. Nine classics, from climbing stairs to burst balloons, plus a Google onsite question: the most fun from N days of travel. Arrows show which cells each value is built from, and the C++ is checked against brute force.
onlineTell a hard problem from its easy twin, then let the constraints pick the technique — bitmask DP, meet in the middle, DP over sums, pruning, approximation. A quiz, a growth chart, and C++ checked against brute force.
online== everyday ==
Link light rail and every Washington State Ferry run on one map, with a departures board — scheduled time, measured delay, and how long until the next one.
onlineSankey diagram studio for income statements. Ledger-line syntax in, publication-ready flow charts out.
onlineLay a trip out on a timeline. Flights, check-ins, museums, dinners — drag them around, catch the overlaps, export to your calendar.
onlineChecklists that never leave the browser. Groceries, packing, trips — drag to reorder, cross things out, keep them visible or let them disappear.
online== arcade ==
Legions, galleys and the tribes beyond the sea. Farm and fish, build a fleet, ship your army across, lock shields into a testudo, slip a spy into the enemy's town, and send your ruler out to win the enemy over — but keep the people happy. It lives at its own address now; every online match runs on the server, so nobody can see through the fog.
playablePike-and-musket war on the open steppe. Peasants farm, chop and mine; regiments march in line, column or square under their banners; leave a windmill unguarded and someone takes it.
playableBase building in the ash. Deploy an outpost, keep the reactors humming, send crawlers into the glowing cobalt fields, then break the rival clans with junk tanks, gyrocopters and one very large missile.
playableFallout 2 in a browser tab, on the open-source fallout2-ce engine. Point it at your own copy's game folder once — the files and your saves stay in your browser; only the engine is hosted here.
playablebring your own filesAn idle game with no clicking. Your termites are dumb — you write their instincts, top-down, first match wins. Harvest, then hold the line when the ants come.
playableA game for cats. Lay the tablet on the floor and something scuttles across it — every catch pops, buzzes and counts, with a scoreboard per cat.
playable== uplink ==
github → github.com/roman-shuhov
charts → chart.termit.dev
colony → termit.dev/colony
wire → termit.dev/wire
probe → termit.dev/probe
trace → termit.dev/trace
tls → termit.dev/handshake
pnw → termit.dev/pnw
pounce→ termit.dev/pounce
lists → termit.dev/lists
trip → termit.dev/itinerary
steppe→ termit.dev/steppe
cobalt→ termit.dev/cobalt
rome → imperium-maris.com
f2ce → termit.dev/f2ce
graphs→ termit.dev/graphs
dp → termit.dev/dp
np → termit.dev/np