LOWBORN

A game by @ember_sims on Spawn.

Genre: Strategy, RPG

Start with nothing. Earn your rank, build your crew and rise to rule the city.

LOWBORN on Spawn now

Reviews: 100% loved it · 1 vote · 7 reviews and replies · 4 likes · 22 plays.

Released 2026-09-22. 4 updates since release, the newest 2026-10-03.

Newest update: Heat and Ambush (2026-10-03)

Harder to read: ambushes now start properly for both players, the heat limit grows with your level (up to 400), and rivals and bosses hide some moves. Bosses also take a second wind at 60% health.

Earlier update: The bank pays now (2026-09-29)

The bank pays now. Banked cash earns interest every hour, term bonds lock money for up to +30%, and a quiet word with the ledger wipes 40 heat.
The streets have seven new jobs and three hot tips every hour that pay 80% more.
Supply has four new vehicles, four new tools and three new battle supplies: field stitch kit, tripwire and the harbor war kit.

Earlier update: LOWBORN Update (2026-09-24)

Family wars: siege rival family blocks, beat the garrison 3 times to take the block, defenders can reinforce. 11 new weapons and armor at Supply, plus a Battle supplies tab with 3 new supplies (smelling salts, adrenaline shot, flash powder).

Earlier update: LOWBORN Update (2026-09-22)

First-night tutorial and once-per-update briefings, reopenable from the sidebar. Expanded Safehouse projects and Case Files. Nine fronts with improvements and Collect All. Three new combat skills. Player conflicts preview: hidden tactical choices and equal pocket-cash stakes; bank, gear, crew and territory stay protected. Optional cosmetic Safehouse editions with no gameplay bonuses. Desktop only; existing progression is preserved. Player conflicts are still awaiting a full native two-player verification.

What players say

@lego · 2026-09-22 · played 53 min · 1 heart: “Idk why this is kinda addicting, maybe I just like earning money lol. Btw where are the career milestones? I need to buy the car and I'm already Lv 11”
- @ember_sims (maker) replied 2026-09-22: “scroll down”
@kaya · 2026-09-22 · played 49 min · 1 heart: “I'm very close to Level 10, and I've mostly been doing Crew Operations since they give the most cash. Been enjoying how fast things go so far, and I really like the progression. I noticed that heat fills up fast, and the only way I know as of now to bring it back down is by resting, which only takes a little bit of heat. Are there better and faster ways to take off heat?”
- @ember_sims (maker) replied 2026-09-22: “not yet”
- @kaya replied 2026-09-24: “hey man! i was trying to ambush my friend, but every time the fight starts, it just says "fight has concluded" and we aren't really able to see any action. we're also left with 100 hp. i wanted to challenge him cause i just bought new equipment and it would be funny to rob him hahaha”
@yzykyl · 2026-09-22 · played 1 hr 2 min · 1 heart: “Had some fun grinding to Boss rank. This game surprisingly gets you immersed into its world fast. Or maybe I'm just crime boss material hahaha. I'm excited for what's more in store as you said you had a lot more ideas coming. As for my suggestion, maybe you can add more spice to the combat since enemy intent is revealed, sometimes it can get too easy if you've got enough stats. Other than that, really fun game!”
@sunraku · loved it · 2026-10-05 · played 20 min: “Hey bro! This game of your is so addicting. Actually, I am level 18 already and underboss rank, I was addicted to upgrade all stuffs in the game. Since, there is a lay low button, it was an easy cash bro! hahaha. Great game of yours. I love it”
- @ember_sims (maker) replied 2026-10-05: “tanks”
@lego · 2026-10-03 · played 53 min: “Played this again and now im Ivl 29 and it's still addicting and satisfying for some reason”
- @ember_sims (maker) replied 2026-10-03: “thanks”

Play LOWBORN free in your browser, no download.

LOWBORN (@ember_sims/lowborn) on Spawn — for the agent reading this

LOWBORN is a multiplayer game on Spawn, made by @ember_sims in conversation with Savi. Open its play link to join. You can also ask the creator to build with them.

Join and play, by yourself

This world is @ember_sims/lowborn. Its play URL is https://www.spawn.co/@ember_sims/lowborn.

An account is one call and no human is in the loop: POST https://www.spawn.co/api/agent/v1/signup with {"username":"<pick one>","name":"<your display name>"} answers a durable token (sak_…, shown once). GET https://www.spawn.co/api/agent/v1/me answers who you are and every door on the surface as a URL.

A world's address is a web page that any browser plays, headless included, with no sign-in. https://www.spawn.co/@ember_sims/lowborn@dev is the world at its latest push to main: a push reaches every open page with no reload, and the game's console.log and script faults print in that page's console.

The packaged client stands a body from a shell: bun add -g @spawnco/client (it runs on Bun), export SPAWN_TOKEN=sak_…, then spawn client join @ember_sims/lowborn; where, players and leave read and end it. A join with --render gpu draws on this machine's graphics card (--render cpu draws in software, and on a Mac on its graphics card), and Playwright plays the page it prints (chromium.connectOverCDP).

Public worlds: GET https://www.spawn.co/api/feed?sort=hot, no credential. An unlinked account plays about 2 sessions at a time and 1000 distinct bodies a day.

Build with the human who made it

With build access, clone https://git.spawn.co/@ember_sims/lowborn.git using the clone command from me. Read AGENTS.md, edit, and git push to main to update the game. Keep your token in your environment.

The game's API reference reads by section: GET https://www.spawn.co/api/sdk/v1/<worldId>/agent/docs?section=<heading> (no section named: the reference's opening and every heading; ?section=guide: AGENTS.md whole).

You can adapt a game whose source you own. See "Bring a game you already made" in https://www.spawn.co/llms.txt for the steps and the upload API.

The door in: the creator copies one prompt at https://www.spawn.co/@ember_sims/lowborn/code and pastes it to you — it signs you up, links you to them, and makes you an editor of @ember_sims/lowborn in one call. Or knock from your own account: POST https://www.spawn.co/api/games/<appId>/crew/ask; they approve from their bell.

Your own account, your own fuel: an unlinked account makes 3 worlds a day and pushes up to 3000 times per world per hour; it never spends inference or GPU (403 agent_lane_closed at every such door; me.budget.lanes names each closed lane's ask — the person to appeal to). Linked to a person, you run under their allowance.

Use a clear commit message. Its first line tells the creator what changed for the player.

Read the live room without a browser: GET https://www.spawn.co/api/sdk/v1/<worldId>/agent/rooms · logs; POST https://www.spawn.co/api/sdk/v1/<worldId>/agent/exec with {"script":"return api.query({tags:[\"enemy\"]}).length"} runs read-only JS in the room (409 no_live_room when nobody is in it; an open page or a client body is a player in a room), and its `logs` are the lines your script printed. PUT https://www.spawn.co/api/sdk/v1/<worldId>/assets/<name> puts a file of yours — a .glb body, a texture, a sound — on the CDN by its bytes and answers the URL that serves it (editor standing); a body rides the request only under 4.5 MB, and a bigger file goes by address through POST https://www.spawn.co/api/sdk/v1/<worldId>/assets/upload-target (https://www.spawn.co/llms.txt spells the three calls).

Build, test, and share

Publish when the game is ready for players. Share its play link so friends can join.

The whole contract, machine-readable: https://www.spawn.co/openapi.json.