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Yet Another Sandbox

pcjr.yasbox

Yet Another Sandbox gamemode!

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About

Yet Another Sandbox


Facepunch Sandbox with extra systems, fixes, and quality-of-life improvements built on top.

What's different

  • Simple Weapon Base (SWB) integration with customizable weapons and attachments (NEW)
  • Camera effects system — sprint FOV, view bob, breathing sway, landing impact, head tilt, weapon sway
  • Distance-based explosion screen shake
  • Cinematic death camera with smooth orbit
  • Fully overhauled UI with a unified design system and its own identity
  • Orange-themed physgun with prop highlighting
  • Blood spurt effects on bullet/melee hits
  • Hit markers and damage feedback
  • Admin commands (goto, bring, slap, teleport, sethp) with scoreboard context menu
  • Prop protection feedback notifications
  • Redo support (the base only has undo)
  • Autosave with rotating slots (loadable in single-player)
  • Spawn cooldown to prevent prop flooding
  • Floating damage numbers on players
  • Faster NPC perception using physics queries
  • Quick cleanup keybind
  • Improved physgun scroll scaling
  • Various bug fixes and code cleanup
  • Full NPC Dresser support (also PR'd to sandbox - https://github.com/Facepunch/sandbox/pull/265)


UI Overhaul

  • Custom design token system for consistent styling across all panels
  • Unified spacing, typography, and colour scales
  • Shared reusable components (TabBar, GlassPanel, ActionButton, Tooltip)
  • Modernised HUD, spawn menu, inventory, chat, scoreboard, and inspector
  • Redesigned resource select popup with 4-column grid and selection preview
  • Recently spawned row at the top of every spawn menu page
  • Prop favorites system — right-click to pin, dedicated favorites page
  • Admin audit log with real-time notifications and persistent history
  • Tooltip framework with rich content and auto-positioning
  • Nameplates with health display and distance fade
  • Redesigned kill feed with avatars and color-coded names
  • Voice chat indicator with animated volume bars
  • Hit marker on dealing damage (players and NPCs)
  • Low health vignette effect (pulsing red overlay)
  • Color-coded scoreboard ping
  • Easy theme customisation via a single tokens file


What this ain't
This is not a replacement for Official or Unofficial Sandbox gamemodes


Is that all? Nope, more stuff is coming!

Got ideas, feedback, or feature requests? Drop them in the forums: https://sbox.game/pcjr/yasbox/forum/create-thread


New controls
B - Redo
(minus) - Clean up my props


Built on Facepunch Sandbox: https://github.com/Facepunch/sandbox

achievementsorangeredosandboxswb

Player history

24h range · hourly averages

Updates

4 updates
[Smarter NPCs & Weapon Overhaul] — 2026-08-09 NPCs have relationships: Every NPC now knows who its allies and enemies are, and who it should run away from. Scientists fear monsters, rollermines hunt players, and hostile NPCs fight each other instead of only… 18 changes

Added

  • NPCs have relationships: Every NPC now knows who its allies and enemies are, and who it should run away from. Scientists fear monsters, rollermines hunt players, and hostile NPCs fight each other instead of only reacting to you
  • NPCs notice what happens around them: Gunshots, deaths and other commotion carry to nearby NPCs, who will investigate the disturbance or panic
  • New NPC behaviours: NPCs can follow you, investigate a noise, step aside when you walk into them, wander, and say goodbye when they leave
  • New NPC voice lines: A full set for idling, following, being told to stay, getting scared, and getting stuck
  • NPCs take turns speaking: They no longer talk over each other in a crowd

Improved

  • Weapons rebuilt on the engine's weapon system: More consistent ammo, reloading, pickup and drop behaviour across every gun
  • Dropped weapons keep their state: A gun you throw down keeps its ammo and settings when you pick it back up, instead of resetting
  • Picking up a duplicate gun gives you its ammo: Rather than being refused outright
  • Headshots on NPCs deal double damage: Matching how headshots already worked on players
  • NPCs move at the right speed: They no longer get stuck sprinting or crawling after finishing what they were doing
  • Rollermines are more dangerous: They now spot you from any direction, since a spinning ball has no real "front"

Fixed

  • Right-clicking the M4A1 threw grenades: Secondary fire is aim-down-sights again, matching the other rifles
  • You got credit for kills you didn't make: NPCs killing each other counted towards your score
  • NPCs could still hurt you after dying
  • Crash when an NPC had no weapon
  • Spawned objects now land upright
  • Weapon view models now show up in recordings
  • Physgun and toolgun screens render correctly again
Version 1.0.3 Weapons & Core Updates Simple Weapon Base (SWB)- Added fully featured weapons: SCAR-H, Veresk SMG, and Revolver with high-quality models and textures 12 changes

Added

  • Simple Weapon Base (SWB)- Added fully featured weapons: SCAR-H, Veresk SMG, and Revolver with high-quality models and textures
  • Weapon Attachments- Support for sights, scopes (with 2D scope UI), silencers, rails, and lasers
  • Advanced Ballistics- Support for hitscan and physical bullets with drop and penetration
  • Weapon Customization- In-game customization menu for swapping attachments on the fly
  • Sprinkler Emitter- Added Sprinkler emitter type
  • Audio Improvements- Added detailed multi-step reload foley sounds for RPG, bolt pull/mag foley for Sniper, and pin pull for Grenade (From Facepunch Sandbox)

Improved

  • Sandbox Compatibility- Integrated SWB with the sandbox game loop, loadouts, and inventory
  • UI Enhancements- Dynamic crosshairs, hit markers, and weapon stats display
  • Platform Chat- Migrated to the new platform chat system
  • Toolgun Refactor- Upstream toolgun mode renames (`*Tool.cs` standard) applied across all modes
  • Asset Updates- Updated shader binaries and normalized prefab EOFs

Removed

  • Custom Chat UI- Removed old custom chat UI in favor of new platform chat system
Version 1.0.2 Version 1.0.2 Hotbar dragging 1 change

Fixed

  • Hotbar dragging
Show 1 older update
Version 1.0.1 Current Updates Rich tooltip framework with support for title, description, icon, and keyboard shortcut display 49 changes

Added

  • Rich tooltip framework with support for title, description, icon, and keyboard shortcut display
  • Auto-positioning tooltips (above/below based on screen position)
  • `panel.SetTooltip("text")` extension API for easy attachment to any panel
  • Admin audit log with structured action logging for all admin commands (goto, bring, slap, teleport, sethp, godmode, heal, ban, cleanup)
  • Real-time admin toast notifications broadcast when actions are performed
  • Admin Log utility tab in spawn menu utilities
  • Favorites system - right-click any prop to add/remove from favorites
  • Dedicated Favorites page in the Props sidebar under LOCAL
  • Usage tracking for tool switches and prop spawns with frequency and recency data
  • Context menu keyboard navigation (arrow keys, Enter, Escape)
  • Context menu disabled state and destructive action styling
  • Dresser popup footer with selection preview thumbnails (up to 4) and overflow indicator
  • Recent spawns persistence between sessions
  • Admin commands: `goto`, `bring`, `slap`, `teleport`, `sethp`
  • Scoreboard right-click integration for admin actions (Goto, Bring, Slap, God Mode, Heal, Set HP)
  • Self-targeting for God Mode, Heal, and Set HP
  • Blood spurt particle effect on bullet/melee hits to flesh surfaces
  • Prop protection "access denied" notification toast
  • Floating damage numbers when dealing damage (color-coded by severity)
  • Damage numbers toggle in Utilities panel
  • Save/Load tab (single-player only) with autosave loading support
  • Recently spawned row - last 8 props shown at top of every spawn menu page
  • Voice chat indicator with animated volume bars and slide-in/out animations
  • Hit marker - expanding X-shaped crosshair on dealing damage (white for hits, red for kills), works on players and all NPC types
  • Low health vignette - pulsing red screen-edge overlay below 35% HP
  • Kill feed with dark background panels, amber weapon icons, attacker avatars, and differentiated name colors
  • Nameplate distance culling (fades beyond 1800u, hidden past 2500u)
  • Redo system - full redo support with 32-step stack per player (`redo` command or `\` key)
  • Autosave system - periodic saves every 5 minutes with 3-slot rolling saves
  • Spawn rate limiting - per-player 0.15s cooldown between spawns
  • Quick cleanup keybind (minus key)
  • `redo` console command
  • `autosave` console command

Improved

  • Context menu modernized with full design token integration and smooth animations
  • Resource select popup redesigned with 4-column grid, item cards, thumbnails, and descriptions
  • Resource select popup now pre-selects current value and shows selection preview in footer
  • Nameplate redesign with health color coding (green→red), semi-transparent background, Y-axis-only rotation
  • Kill feed rework with your kills highlighted in gold, max 6 visible entries, smoother animations
  • Scoreboard polish - color-coded ping, your row highlighted, friend names in gold, hover animation
  • Chat messages now fade after 7s and remove at 10s (was 20s)
  • Vitals health number color shifts white→orange→red below 50%
  • Spawn menu grid items scale on hover (1.03x), press down on click (0.97x)
  • Spawn menu mode bar, tabs, and panel animations polished
  • Physgun color scheme changed from purple to orange across all effects
  • Physgun prop highlighting re-enabled with subtle orange outline (thinner width, lower intensity)
  • Blood spray prefab overhauled - tighter cone, faster gravity, shorter lifetime, motion blur streaks
  • Physics mood restricted to admin-only with server-side permission check
  • NPC perception uses physics sphere queries instead of iterating all scene objects (major performance gain)

Fixed

  • Various crash fixes and stability improvements

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