Active series

Common active series

The following crates currently drop regularly via the item drop system.

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Mann Co. Audition Reel
Level 10
Crate Series #84
You need a standard Mann Co. Supply Crate Key to open this.
You can pick one up at the Mann Co. Store.

Added in the [[Template:Dictionary/common strings/month-18 6, 2014 Patch|Template:Dictionary/common strings/month-18 6, 2014 Patch]].

Crate Series #84
Drops	No
Items
Killstreak Stickybomb Launcher Kit	11 .00%
Killstreak Minigun Kit	11 .00%
Killstreak Direct Hit Kit	11 .00%
Killstreak Huntsman Kit	11 .00%
Killstreak Backburner Kit	11 .00%
Killstreak Back Scatter Kit	11 .00%
Killstreak Kritzkrieg Kit	11 .00%
Killstreak Ambassador Kit	11 .00%
Killstreak Frontier Justice Kit	11 .00%
or an Exceedingly Rare Special Item!	1 .00%
Drop rate is an estimate only.
Killstreak Kits obtained from this crate may be of Specialized or Professional grade.

Series #83

Mann Co. Supply Munition
Level 20
Crate Series #82 / #83
You need a Mann Co. Supply Crate Key to open this.
You can pick one up at the Mann Co. Store.

Added in the April 1, 2014 Patch.

Crate Series #83
Drops	No
Items
Killstreak Rocket Launcher Kit	12 .38%
Killstreak Scattergun Kit	12 .38%
Killstreak Sniper Rifle Kit	12 .38%
Killstreak Shotgun Kit	12 .38%
Killstreak Ubersaw Kit	12 .38%
Killstreak Gloves of Running Urgently Kit	12 .38%
Killstreak Spy-cicle Kit	12 .38%
Killstreak Axtinguisher Kit	12 .38%
or an Exceedingly Rare Special Item!	1 .00%
Drop rate is an estimate only.
Killstreak Kits obtained from this crate may be of Specialized or Professional grade.

Series #82

Added in the April 1, 2014 Patch.

Rare active series

The following crates drop very infrequently, and are not tied to any events. They can be opened with a standard key.

Uncommon active series

The following crates were common drops during their respective events, but have been since changed to drop infrequently. Many of them require special keys to open, instead of a standard key.

Series #81 – Mann Co. Strongbox

Mann Co. Strongbox
Level 13
Crate Series #81
This crate is special. Its contents are unknown and requires a Mann Co. Strongbox Key to unlock.

The Strongbox will become a rare drop after February 24, 2014.

Added to the drop system in the January 10, 2014 Patch. The Mann Co. Strongbox Key that opens this crate was released in the February 7, 2014 Patch. Strongboxes are still dropping, but since February 24, 2014 they are set to drop much less frequently than standard crates.

Series #73 – Fall 2013 Gourd Crate

Fall 2013 Gourd Crate
Level 13
Crate Series #73
Contains Gold Star approved Community Items
from the Fall 2013 event.

Added in the October 2, 2013 Patch.

Series #72 – Fall 2013 Acorns Crate

Fall 2013 Acorns Crate
Level 13
Crate Series #72
Contains Gold Star approved Community Items
from the Fall 2013 event.

Added in the October 2, 2013 Patch.

Series #69 – Black Summer 2013 Cooler

Black Summer 2013 Cooler
Level 13
Crate Series #69
This crate is special.
It contains a unique selection of Gold Star approved Community Items from the Summer 2013 event.

Added in the July 10, 2013 Patch.

This cooler can be randomly obtained by using a Summer Claim Check and contains one approved set of the community-contributed Gold Star items. A Black Summer 2013 Cooler Key is needed to open it.

Series #68 – Brown Summer 2013 Cooler

Brown Summer 2013 Cooler
Level 13
Crate Series #68
This crate is special.
It contains a unique selection of Gold Star approved Community Items from the Summer 2013 event.

Added in the July 10, 2013 Patch.

This cooler can be randomly obtained by using a Summer Claim Check and contains one approved set of the community-contributed Gold Star items. A Brown Summer 2013 Cooler Key is needed to open it.

Series #67 – Blue Summer 2013 Cooler

Blue Summer 2013 Cooler
Level 13
Crate Series #67
This crate is special.
It contains a unique selection of Gold Star approved Community Items from the Summer 2013 event.

Added in the July 10, 2013 Patch.

This cooler can be randomly obtained by using a Summer Claim Check and contains one approved set of the community-contributed Gold Star items. A Blue Summer 2013 Cooler Key is needed to open it.

Series #66 – Aqua Summer 2013 Cooler

Aqua Summer 2013 Cooler
Level 13
Crate Series #66
This crate is special.
It contains a unique selection of Gold Star approved Community Items from the Summer 2013 event.

Added in the July 10, 2013 Patch.

This cooler can be randomly obtained by using a Summer Claim Check and contains one approved set of the community-contributed Gold Star items. An Aqua Summer 2013 Cooler Key is needed to open it.

Series #65 – Green Summer 2013 Cooler

Green Summer 2013 Cooler
Level 13
Crate Series #65
This crate is special.
It contains a unique selection of Gold Star approved Community Items from the Summer 2013 event.

Added in the July 10, 2013 Patch.

This cooler can be randomly obtained by using a Summer Claim Check and contains one approved set of the community-contributed Gold Star items. A Green Summer 2013 Cooler Key is needed to open it.

Series #64 – Yellow Summer 2013 Cooler

Yellow Summer 2013 Cooler
Level 13
Crate Series #64
This crate is special.
It contains a unique selection of Gold Star approved Community Items from the Summer 2013 event.

Added in the July 10, 2013 Patch.

This cooler can be randomly obtained by using a Summer Claim Check and contains one approved set of the community-contributed Gold Star items. A Yellow Summer 2013 Cooler Key is needed to open it.

Series #63 – Orange Summer 2013 Cooler

Orange Summer 2013 Cooler
Level 13
Crate Series #63
This crate is special.
It contains a unique selection of Gold Star approved Community Items from the Summer 2013 event.

Added in the July 10, 2013 Patch.

This cooler can be randomly obtained by using a Summer Claim Check and contains one approved set of the community-contributed Gold Star items. An Orange Summer 2013 Cooler Key is needed to open it.

Series #62 – Red Summer 2013 Cooler

Red Summer 2013 Cooler
Level 13
Crate Series #62
This crate is special.
It contains a unique selection of Gold Star approved Community Items from the Summer 2013 event.

Added in the July 10, 2013 Patch.

This cooler can be randomly obtained by using a Summer Claim Check and contains one approved set of the community-contributed Gold Star items. A Red Summer 2013 Cooler Key is needed to open it.

Series #61 – Summer Appetizer Crate

Summer Appetizer Crate
Level 13
Crate Series #61
Contains the first set of Gold Star approved Community Items from the Workshop item import tool.

Added to drop in the July 2, 2013 Patch.

These particular crates cannot be opened with the normal Mann Co. Supply Crate Key. Instead, they require a Summer Appetizer Key, which are available through the Mann Co. Store as of the July 2, 2013 Patch.

Series #58 – RoboCrate

Robo Community Crate
Level 13
Crate Series #58
This crate is special. Its contents are unknown and requires a RoboCrate Key to unlock.

The RoboCrate contains Unusual effects that will only come from this crate.

Added to the game files in the April 23, 2013 Patch. Added to drop in the April 25, 2013 item schema update. The RoboCrate Key that opens this crate was released in the May 17, 2013 Patch as part of the Robotic Boogaloo community update. Unlike previous event crates, RoboCrates are still dropping, but since June 3rd, 2013 they are set to drop much less frequently than standard crates. The RoboCrate has a unique sound effect played while being opened, identical to that of a Tank Robot deploying its bomb in Mann vs. Machine mode.

All items in the following list have a same chance of drop, except Pallet of Crates which can also be added to any item found inside.

Notes

*Drop rate is the observed drop rate.

**Estimated drop rate is an estimate as to what Valve has set the drop rate to be.