These achievements can only be earned while playing the heavy class, by getting a certain number of these achievements you unlock new heavy weapons:
| Unlockable: | How to unlock: |
| 0wn the Means of Production | Remove 20 stickybombs by killing the Demomen who produced them. |
| Borsht Belt | Kill 10 Heavies with The K.G.B |
| Class Struggle | Work with a friendly Medic to kill an enemy Heavy & Medic pair. |
| Communist Mani-Fisto | Kill an enemy with a critical punch. |
| Crime and Punishment | Kill 10 enemies carrying your intelligence. |
| Crock Block | Survive a direct hit from a critical rocket. |
| Division of Labor | Kill 20 enemies with a Medic assisting you, where neither of you die. |
| Don't Touch Sandvich | Kill 50 Scouts using Natascha. |
| Factory Worker | Kill 20 enemies while being recharged by a dispenser. |
| Five Second Plan | Kill an enemy in the first 5 seconds after you exit a teleporter. |
| Gorky Parked | Kill 25 enemies while you're standing on a control point you own. |
| Heavy Industry | Fire $200,000 worth of minigun rounds in a single life. |
| Heavy Milestone 1 | Achieve 10 of the achievements in the Heavy Pack |
| Heavy Milestone 2 | Achieve 16 of the achievements in the Heavy Pack |
| Heavy Milestone 3 | Achieve 22 of the achievements in the Heavy Pack |
| Icing on the Cake | Get 20 kills on players that you're dominating. |
| Iron Kurtain | Take 1000 points of damage in a single life. |
| Kollectivization | Get 1000 assists. |
| Konspicuous Konsumption | Eat 100 sandviches. |
| Krazy Ivan | Kill 100 enemies while both you and your victim are underwater. |
| Lenin a Hand | Help 5 teammates get revenge on their nemeses. |
| Marxman | Kill 10 enemies in mid-air with the minigun. |
| Party Loyalty | Kill 50 enemies within 3 seconds of them attacking your medic. |
| Permanent Revolution | Kill 5 enemies without spinning down your gun. |
| Photostroika | Provide an enemy with a freezecam shot of you taunting while invulnerable. |
| Purge | Kill 15 enemies capturing a control point you own. |
| Pushkin the Kart | Get 50 caps on payload maps. |
| Rasputin | In a single life, get shot, burned, bludgeoned, and receive explosive damage. |
| Rationing | Kill an enemy with your shotgun while you're out of minigun ammo. |
| Red Oktoberfest | Earn a domination for a Medic who;s healing you. |
| Redistribution of Health | Heal 1000 damage with med-kits in a single life. |
| Show Trial | Kill an enemy with a taunt. |
| Soviet Block | While invulnerable and on defense, block an invulnerable enemy Heavy's movement. |
| Soviet Union | Get 25 enemy kills where you either assist or are assisted by another Heavy. |
| Spyalectical Materialism | Kill or assist in killing 10 cloaked Spies. |
| Stalin the Kart | Block the enemy from moving the payload cart 25 times. |
| Supreme Soviet | Get UberCharged 50 times. |
| Vanguard Party | Be the first on your team to start capturing a control point in a round. |
