How to make a Roblox game with AI

How to generate terrain and maps in Roblox

Almost every procedural Roblox terrain that comes out flat and blocky was built with the wrong API.

2 files · 185 lines · ~35s

weather system in Roblox

The obvious way to make rain — a huge emitter covering the map — is also the most expensive way, and it still misses the player half the time.

2 files · 190 lines · ~30s

ragdoll in Roblox

A ragdoll that keeps standing up is not a physics problem — the Humanoid is still trying to hold the character upright.

2 files · 145 lines · ~25s

particle effects in Roblox

Particles are the cheapest way to make a Roblox game look expensive, and the fastest way to make it run badly.

2 files · 175 lines · ~30s

character customization in Roblox

Roblox already has an API that applies an entire look in one call — most customization code is a hand-rolled version of it that handles fewer cases.

2 files · 190 lines · ~30s

rarity and luck system in Roblox

Rarity is the one system where a subtle bug is invisible — the wrong roll still returns an item, it just returns the wrong one slightly too often.

2 files · 145 lines · ~25s

teams and team spawns in Roblox

Roblox teams are linked to spawns by colour, which is elegant right up until two teams share a colour and players start spawning in the wrong base.

2 files · 165 lines · ~25s

an egg hatching system in Roblox

The suspense animation is the product, but the result must be decided before it starts — otherwise a disconnect at the wrong second costs a player a legendary.

2 files · 200 lines · ~30s

badges and achievements in Roblox

Badges are the one progression feature Roblox hosts for you — and the one where a naive loop gets you rate limited within a minute.

2 files · 180 lines · ~30s

notification system in Roblox

The moment two things happen at once, an unqueued notification system draws both in the same place and you lose one of them.

2 files · 150 lines · ~25s

clicker game in Roblox

A clicker game is one remote fired thousands of times, which makes it the purest test of whether your server actually validates anything.

2 files · 185 lines · ~30s

main menu and loading screen in Roblox

Two UI bugs account for most of the time people lose on Roblox menus: the menu that disappears when you respawn, and the loading screen that never replaces Roblox's own.

2 files · 190 lines · ~30s

sprint and stamina in Roblox

Sprint is the one mechanic where the exploit and the feature are literally the same line of code.

2 files · 180 lines · ~30s

health bar in Roblox

A health bar is a GUI problem pretending to be a combat problem — and the mistakes are all in how it is attached and updated.

2 files · 145 lines · ~25s

rebirth system in Roblox

Rebirth is a player voluntarily deleting their progress, which means it only works if they are certain what comes back.

2 files · 195 lines · ~30s

door system in Roblox

A door is the smallest interactive object in a game and the one most likely to end up half-open on someone else's screen.

2 files · 140 lines · ~25s

How to customise chat in Roblox (TextChatService)

Most Roblox chat tutorials you will find describe a system that no longer runs.

2 files · 160 lines · ~25s

damage system in Roblox

Two lines of Luau reduce a player's health, and they are not interchangeable — one honours spawn protection and one walks straight through it.

2 files · 175 lines · ~30s

How to set up lighting and atmosphere in Roblox

Lighting is the cheapest thing you can change that makes a Roblox game stop looking like a Roblox game.

2 files · 140 lines · ~25s

custom camera in Roblox

A custom camera that snaps back to default every frame is not broken code — it is the default camera script still doing its job.

2 files · 175 lines · ~30s

wave spawner in Roblox

Wave systems fail in two ways: the curve outruns the player by wave 6, or a single stuck enemy freezes the round forever.

2 files · 282 lines · ~35s

coin system in Roblox

Currency is the first thing an exploiter goes for, and the client-side pickup is how they get it.

2 files · 150 lines · ~25s

lobby in Roblox Studio

A lobby is not a room, it is a state machine wearing one — the geometry is the easy half.

3 files · 225 lines · ~35s

How to teleport players in Roblox

Two completely different things are called teleporting in Roblox, and using the wrong one is why players end up stuck, split up, or missing their data.

1 files · 95 lines · ~20s

How to animate in Roblox Studio (and what code cannot do)

No script can create a Roblox keyframe animation.

2 files · 130 lines · ~25s

How to add sound and music in Roblox Studio

Where you parent a Sound decides whether it is 3D, global, or silent — and that is the whole bug for most "my sound doesn't work" reports.

2 files · 125 lines · ~25s

drivable car in Roblox Studio

Almost every "Roblox car" tutorial ends the same way: the model looks right, you sit in it, and it does not move.

2 files · 125 lines · ~25s

gun in Roblox Studio

A gun is where client trust becomes free kills: if the client reports the hit, the client decides who dies.

3 files · 147 lines · ~30s

cooldown system in Roblox

A cooldown is the cheapest anti-exploit in Roblox and the one most often written where it cannot work: on the client.

3 files · 422 lines · ~45s

an admin panel in Roblox Studio

An admin panel is the one system where a tutorial that looks right can hand every exploiter in your server a ban button.

3 files · 392 lines · ~40s

an ability system with cooldowns in Roblox

Abilities are easy to fake and hard to trust: the hotbar is the visible part, but the cooldown is the part players will try to break.

4 files · 470 lines · ~45s

Roblox combat system

A Roblox combat system needs four wired-up parts: server-authoritative damage, a RemoteEvent contract, health bar UI, and respawn logic.

5 files · 140 lines · 42 seconds

Roblox sword fighting game

A Roblox sword-fighting game lives or dies on game-feel: a snappy M1 combo, a heavy finisher, a block, a parry window that rewards timing, and a dash with invincibility frames.

4 files · 214 lines · under a minute

Roblox katana combat system (anime style)

Anime combat games — Demon Slayer-style katana fighters especially — need two things working together: a katana that actually equips in the player's hand and glows, and a combo/block/parry/dash system that feels sharp.

6 files · 300 lines · about a minute

Roblox tycoon

A Roblox tycoon needs five wired-up systems: a dropper conveyor, a currency collector, per-player worlds, rebirth math, and gamepass hooks.

9 files · 260 lines · 1m 04s

Roblox obby

An obby is 95% geometry, which is why it fails in a way scripts do not: it looks finished and cannot be completed.

3 files · 430 lines · ~45s

Roblox pet system

A Roblox pet system needs five wired-up parts: pet inventory, rarity tiers, equip/unequip, trading flow, and a save flow.

11 files · 340 lines · 1m 28s

Roblox FPS

A Roblox FPS needs five wired-up systems: server-authoritative hit detection, ammo + reload, weapon switching, recoil pattern, and respawn.

14 files · 480 lines · 2m 35s

Roblox simulator

A Roblox simulator needs four wired-up parts: a tap-to-gain action, a shop, a rebirth system, and a save flow.

8 files · 240 lines · 58 seconds

Roblox boss fight

A Roblox boss fight needs five wired-up parts: phase transitions, attack telegraphs, per-player damage tracking, loot drops, and arena gates.

7 files · 420 lines · 2m 10s

Roblox shop system

A Roblox shop system needs three wired-up parts: a server-side currency check, an item delivery pipeline, and (optionally) developer product / gamepass purchase hooks.

5 files · 180 lines · 47 seconds

How to use Roblox DataStore the right way

Roblox DataStore is the most common reason Roblox games lose player progress.

3 files · 140 lines · 36 seconds

How to prevent exploits in Roblox

Roblox exploits almost always trace to client-trusted state: client-written damage, client-written currency, client-written ammo.

4 files · 160 lines · 44 seconds

Roblox leaderboard

A Roblox top-scores leaderboard needs three wired-up parts: an OrderedDataStore for cross-server ranking, a 60-second refresh loop, and a SurfaceGui that displays the top N.

4 files · 110 lines · 31 seconds

Roblox daily rewards

A Roblox daily-rewards system needs three wired-up parts: a streak counter, a per-day reward table, and a save flow.

5 files · 170 lines · 49 seconds

Roblox sword fighting game

A Roblox sword fighting game needs five wired pieces: hit detection, combo strings, blocking, parry windows, and ragdoll on kill.

7 files · 220 lines · 58 seconds

Roblox respawn system

A Roblox respawn system needs four pieces: death detection, a cooldown timer, spawn point selection, and a respawn UI.

4 files · 130 lines · 38 seconds

Roblox trading system

A Roblox trading system needs five pieces: a two-party UI, item slots, a lock-in confirmation, scam prevention, and atomic DataStore writes.

8 files · 280 lines · 1m 12s

Roblox quest system

A Roblox quest system needs five pieces: NPC quest givers, objective tracking, progress saves, reward delivery, and a quest log UI.

9 files · 310 lines · 1m 18s

Roblox dialogue system

A Roblox dialogue system needs four pieces: a typewriter UI, branching choices, conditional dialogue (responses change based on player state), and clean integration with quests.

6 files · 180 lines · 52 seconds

Roblox inventory system

A Roblox inventory system needs five pieces: a slot grid, item stacking, drag-and-drop UI, rarity coloring, and DataStore persistence.

6 files · 230 lines · 56 seconds

Roblox killfeed

A Roblox killfeed needs four pieces: kill detection from any damage source, a corner notification UI, kill streak escalation, and weapon/team icons.

3 files · 110 lines · 32 seconds

Roblox checkpoint system

A Roblox checkpoint system needs four pieces: touch-activated parts, RespawnLocation updates, progress UI, and persistent save state.

4 files · 140 lines · 36 seconds

Roblox vehicle system

A Roblox vehicle system needs five pieces: VehicleSeat with throttle/steer, body parts welded to the seat, exit handling, physics-tuned suspension, and collision damage.

5 files · 180 lines · 1m 04s

Roblox currency system

A Roblox currency system needs five pieces: multiple currency types, atomic add/spend operations, server-authoritative balances, leaderstats integration, and DataStore persistence.

4 files · 150 lines · 44 seconds

Roblox tower defense game

A Roblox tower defense game needs five pieces: tower placement, wave spawner, enemy pathing, currency drops on kill, and an upgrade UI.

11 files · 390 lines · 1m 32s

Roblox pathfinding NPC

A Roblox pathfinding NPC needs five pieces: PathfindingService waypoint generation, state machine (idle/chase/attack), obstacle handling, stuck-detection, and animation hooks.

5 files · 170 lines · 42 seconds

Roblox bow and arrow

A Roblox bow and arrow needs five pieces: draw-back charge, projectile physics with gravity, damage with falloff, headshot detection, and arrow recovery.

6 files · 190 lines · 48 seconds

Roblox magic spell system

A Roblox magic spell system needs five pieces: spell definitions, mana resource, cooldowns, casting animations, and impact VFX.

7 files · 240 lines · 1m 06s

Roblox day night cycle

A Roblox day night cycle needs four pieces: time of day progression, sun and moon transition, atmospheric color shifts, and event triggers (e.

3 files · 90 lines · 28 seconds

Roblox gamepass system

A Roblox gamepass system needs four pieces: ownership check on join, perk delivery on character spawn, purchase hook for instant grants, and a UI to display owned passes.

4 files · 130 lines · 38 seconds

Roblox matchmaking system

A Roblox matchmaking system needs five pieces: queue management, room creation, skill-based matching (MMR), TeleportService routing, and a queue UI.

7 files · 280 lines · 1m 18s

Roblox emote system

A Roblox emote system needs four pieces: a radial wheel UI, animation triggering, owned emote tracking, and unlock progression.

4 files · 130 lines · 34 seconds

Roblox fishing game

A Roblox fishing game needs five pieces: cast mechanics, bite RNG, a reel mini-game, rarity tiers, and inventory integration.

6 files · 220 lines · 56 seconds

Roblox mining game

A Roblox mining game needs five pieces: ore nodes, pickaxe damage, ore rarity tiers, respawn timers, and smelting/sell flow.

7 files · 230 lines · 1m 02s