CSCases
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CS:GO-style case opening for Minecraft. Tiered weighted loot rolls, animated reveal, and fully customizable cases via datapack.
Focuses on automation and resource processing through scientific and mechanical means, utilizing systems like electricity (RF/FE/etc), air pressure, or rotation.
Neoforge is a fork of the Minecraft Forge available for versions 1.20.1+ of Minecraft. Many Forge mods are compatible with Neoforge and vice versa.
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Description
CS Cases
A CS:GO-style case opening mod for Minecraft. Place a case, use the matching key, watch the reel spin, and claim your loot.
Features
- Authentic opening flow — preview a case's contents before you commit, watch a reel-style reveal animation with the classic case-unlock sound, then explicitly Claim your reward or press ESC to drop it on the ground.
- Five-tier rarity rolls with weighted probabilities and the familiar CS color coding: Mil-Spec blue → Restricted purple → Classified pink → Covert red → Rare Special gold.
- Fully data-driven — every case is a JSON file in a datapack. Add, edit, or rebrand cases on a server or in a single world without recompiling, repackaging, or shipping a client-side resource pack.
- Real item stacks as rewards — a reward entry is anything
/giveaccepts. Stack sizes, enchantments, custom names, lore, attribute modifiers, dyed leather, any registered data component, all of it. - Wrong-key protection — keys are bound to specific cases via a data component. Using a key on a case it doesn't fit shows "This key does not fit this case." in the action bar; the key is not consumed.
- Multiplayer-ready — the server pushes its full case registry to every client on join and after
/reload, so dedicated-server players see exactly what the server has loaded with zero client-side setup. - Hot reload —
/reloadre-parses every case from disk. Valid changes apply immediately. Malformed files are skipped with a clear warning in the server log instead of crashing the world. - In-game config screen integrated with the Mods menu.
How it works
- Grab a Case and a matching Case Key from the creative tab — the tab automatically lists one of each per loaded case.
- Place the case. Right-click it with the matching key to open the preview screen showing all possible rewards, grouped by tier.
- Hit Open to consume the key and start the reveal animation. Press ESC during the animation to skip straight to the reward screen.
- On the reward screen, click Claim to take the item, or press ESC to let it drop at your feet.
Adding your own cases
Drop a JSON file at:
<datapack-root>/data/<your-namespace>/cases/<case-id>.json
Minimal example:
{
"display_name": "Weapon Case",
"tiers": [
{
"id": "mil_spec",
"weight": 79.92,
"color": "4b69ff",
"items": ["minecraft:wooden_sword", "minecraft:stone_sword"]
},
{
"id": "covert",
"weight": 0.64,
"color": "eb4b4b",
"items": [
{
"id": "minecraft:diamond_sword",
"components": {
"minecraft:enchantments": { "minecraft:sharpness": 5 },
"minecraft:custom_name": "{\"text\":\"Awakened Blade\",\"color\":\"gold\"}"
}
}
]
}
]
}
Tier weights are normalised at roll time, so any positive numbers work — 1 and 99 is the same as 1% / 99%. Items can be either a bare id (count 1, no components) or a full { "id": ..., "count": ..., "components": { ... } } object.
Hand out your custom cases via the creative tab or:
/give @s cs_cases:case_block[cs_cases:case_id="myserver:weapon_case"]
/give @s cs_cases:case_key[cs_cases:case_id="myserver:weapon_case"]
The full datapack format reference, including every supported field and validation rule, lives at docs/datapack-cases.md in the source repository.
Built-in content
The mod ships one default case — the Starter Case — built with the same datapack machinery as everything else, so its JSON doubles as a working example.
Requirements
- Minecraft 26.1.2
- NeoForge 26.1.2.30-beta or newer
NeoForge only. Not compatible with Forge or Fabric.
Both single-player and multiplayer (dedicated server) are supported. Custom cases are server-authoritative — install the mod on the server and on every connecting client, and define your cases via datapacks on the server.
License
All Rights Reserved.
CS Cases
A CS:GO-style case opening mod for Minecraft. Place a case, use the matching key, watch the reel spin, and claim your loot.
Features
- Authentic opening flow — preview a case's contents before you commit, watch a reel-style reveal animation with the classic case-unlock sound, then explicitly Claim your reward or press ESC to drop it on the ground.
- Five-tier rarity rolls with weighted probabilities and the familiar CS color coding: Mil-Spec blue → Restricted purple → Classified pink → Covert red → Rare Special gold.
- Fully data-driven — every case is a JSON file in a datapack. Add, edit, or rebrand cases on a server or in a single world without recompiling, repackaging, or shipping a client-side resource pack.
- Real item stacks as rewards — a reward entry is anything
/giveaccepts. Stack sizes, enchantments, custom names, lore, attribute modifiers, dyed leather, any registered data component, all of it. - Wrong-key protection — keys are bound to specific cases via a data component. Using a key on a case it doesn't fit shows "This key does not fit this case." in the action bar; the key is not consumed.
- Multiplayer-ready — the server pushes its full case registry to every client on join and after
/reload, so dedicated-server players see exactly what the server has loaded with zero client-side setup. - Hot reload —
/reloadre-parses every case from disk. Valid changes apply immediately. Malformed files are skipped with a clear warning in the server log instead of crashing the world. - In-game config screen integrated with the Mods menu.
How it works
- Grab a Case and a matching Case Key from the creative tab — the tab automatically lists one of each per loaded case.
- Place the case. Right-click it with the matching key to open the preview screen showing all possible rewards, grouped by tier.
- Hit Open to consume the key and start the reveal animation. Press ESC during the animation to skip straight to the reward screen.
- On the reward screen, click Claim to take the item, or press ESC to let it drop at your feet.
Adding your own cases
Drop a JSON file at:
<datapack-root>/data/<your-namespace>/cases/<case-id>.json
Minimal example:
{
"display_name": "Weapon Case",
"tiers": [
{
"id": "mil_spec",
"weight": 79.92,
"color": "4b69ff",
"items": ["minecraft:wooden_sword", "minecraft:stone_sword"]
},
{
"id": "covert",
"weight": 0.64,
"color": "eb4b4b",
"items": [
{
"id": "minecraft:diamond_sword",
"components": {
"minecraft:enchantments": { "minecraft:sharpness": 5 },
"minecraft:custom_name": "{\"text\":\"Awakened Blade\",\"color\":\"gold\"}"
}
}
]
}
]
}
Tier weights are normalised at roll time, so any positive numbers work — 1 and 99 is the same as 1% / 99%. Items can be either a bare id (count 1, no components) or a full { "id": ..., "count": ..., "components": { ... } } object.
Hand out your custom cases via the creative tab or:
/give @s cs_cases:case_block[cs_cases:case_id="myserver:weapon_case"]
/give @s cs_cases:case_key[cs_cases:case_id="myserver:weapon_case"]
The full datapack format reference, including every supported field and validation rule, lives at docs/datapack-cases.md in the source repository.
Built-in content
The mod ships one default case — the Starter Case — built with the same datapack machinery as everything else, so its JSON doubles as a working example.
Requirements
- Minecraft 26.1.2
- NeoForge 26.1.2.30-beta or newer
NeoForge only. Not compatible with Forge or Fabric.
Both single-player and multiplayer (dedicated server) are supported. Custom cases are server-authoritative — install the mod on the server and on every connecting client, and define your cases via datapacks on the server.
License
All Rights Reserved.
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