Where to Get Blue Card RUST?

Daniyal Khan Updated: Mar 7, 2025 13:04

Where to Get Blue Card RUST?

Rust is all about survival, strategy, and smart resource management. If you want to access high-tier loot, keycards play a vital role. The Blue Keycard is an essential mid-tier item that lets you unlock better loot rooms in certain monuments. However, getting one isn’t always straightforward.

In this guide, we’ll explain what keycards are, why you need them, and where to find Blue Keycards across different Rust maps. Knowing how to get a Blue Keycard will improve your loot runs and overall progression in the game.

What Are Keycards?

What Are Keycards
Keycards in Rust are items used to unlock specific doors inside monuments. There are three types of keycards:

  • Green Keycard – Basic access (low-tier loot)
  • Blue Keycard – Mid-tier access (better loot)
  • Red Keycard – High-tier access (top-tier loot)

Each card unlocks doors at monuments that require them, usually in combination with an electric fuse. To obtain higher-tier keycards, players must complete puzzles and loot the correct locations.

Why are KeyCards Important In-Game?

Why are KeyCards Important In-Game
Keycards are essential for progression in Rust. They provide access to restricted areas within monuments which are the largest regions on the map. Players can find better loot in these locations. Each tier of keycard grants access to increasingly valuable loot, from basic supplies behind Green Doors to weapons and rare resources in Red Keycard rooms.

To use a Blue Keycard, you typically need to start with a Green Keycard first. Most Blue Keycard rooms require a Green Keycard and an Electric Fuse to activate the door switches. Once you obtain a Blue Keycard, you can then access Red Keycard locations, which contain the best loot in the game.

The progression path looks like this:

  • Find a Green Keycard (used to access Blue Keycard locations)
  • Use the Green Keycard at a designated monument (to get a Blue Keycard)
  • Use the Blue Keycard in higher-tier monuments (to access the Red Keycard)
  • Use the Red Keycard in top-tier areas (for the best loot in the game)

Without keycards, you’ll miss out on high-value loot. Understanding where to get Blue Keycards will give you a major advantage over other players.

Where Can You Find Blue Keycards in Rust?

Find Blue Keycards in Rust
You can find Blue Keycards in specific locations around the Rust map. Most require solving puzzles, using fuses, and swiping Green Keycards to unlock doors where Blue Keycards are found.

Below are the primary locations where you can find a Blue Keycard:

  • Harbor 1 (Small Harbor)
  • Harbor 2 (Large Harbor)
  • Satellite Dish
  • Sewer Branch
  • Outpost (purchasable for 100 Scrap)
  • Fishing (random chance to obtain from gutting fish)

Each method has its difficulty level. Some locations require you to fight off NPCs or other players, while others simply need a Green Keycard and an Electric Fuse to complete the puzzle. Each location has puzzles except the Outpost so always carry multiple fuses with you in case the time runs out on your first fuse.

You can try to locate the electric wires running around the location to find the fuse box. Insert the fuse and be quick on your feet as it only lasts for 3 minutes. Locate the green door and use your green keycard to open it. Interestingly, only rooms with a green keycard have blue keycards and you won’t be able to find them anywhere else. So once you enter the room, scout every location until you find the blue keycard. Overall, the puzzles are simple and beginners can also solve them with some trial and error.

All Blue Keycard Locations

Most Blue Keycards are hidden behind Green Keycard doors in specific monuments. Each of these monuments follows a set puzzle process, requiring you to insert a fuse, activate power, and swipe a Green Keycard before you can access the Blue Keycard. Below is a detailed breakdown of each location.

Harbor 1 (Small Harbor)

Small Harbor

  • Difficulty: Low
  • Requirements: Green Keycard + 1 Electric Fuse
  • Loot Potential: Moderate

The Small Harbor is one of the easiest places to obtain a Blue Keycard. Head to the small building near the docks. Inside, you’ll find a fuse box. Insert your Electric Fuse, then activate the power switch.

Once the power is on, go to the second floor, where you’ll see a Green Door. Swipe your Green Keycard, and inside, you’ll find the Blue Keycard on a desk.

Harbor 2 (Large Harbor)

Large Harbor

  • Difficulty: Low
  • Requirements: Green Keycard + 1 Electric Fuse
  • Loot Potential: Moderate

The Large Harbor follows the same puzzle pattern as the Small Harbor but in a different layout. Locate the main office building near the center of the harbor. Insert your Electric Fuse into the fuse box, flip the power switch, and then find the Green Door.

Swipe your Green Keycard, and inside, you’ll find the Blue Keycard sitting on a table.

Satellite Dish

Satellite Dish

  • Difficulty: Low-Medium
  • Requirements: Green Keycard + 1 Electric Fuse
  • Loot Potential: Good

The Satellite Dish monument has a Blue Keycard room inside a small power station. Insert your Electric Fuse and activate the power switch. The Green Door is located nearby.

Swipe your Green Keycard, and the Blue Keycard will be inside. The Satellite Dish area also provides decent loot in crates.

Sewer Branch

Sewer Branch

  • Difficulty: Medium
  • Requirements: Green Keycard + 1 Electric Fuse
  • Loot Potential: High

The Sewer Branch is one of the best places to obtain a Blue Keycard because it has additional loot in tunnels. Insert an Electric Fuse, power on the circuit, and navigate through the underground tunnel system to find the Green Door.

Once inside, the Blue Keycard will be on a desk. Be cautious—this area is often contested.

Outpost (Easiest Method)

Outpost

  • Difficulty: None
  • Cost: 100 Scrap
  • Loot Potential: None

If you don’t want to solve puzzles, you can buy a Blue Keycard from Outpost. Locate the Vending Machines and purchase a Blue Keycard for 100 Scrap. These are located in the Outpost with the two raised stores. Enter the one on the right and click on the Buy button to get your card.

Alternative Method: Fishing Up a Rarity

Fishing Up a Rarity

  • Difficulty: Luck-Based
  • Requirements: Fishing Rod + Bait
  • Loot Potential: Random

You can sometimes get a Blue Keycard by fishing. When you get a high-tier fish, there’s a small chance it will drop a Blue Keycard. This method is random but a peaceful alternative if you prefer avoiding high-traffic areas.

The Best Location to Get the Blue Keycard

This guide has all the locations where you can get the Blue Keycard. However, the best method remains The Harbor because of its perks. For instance, there is less competition here than in other bigger monuments. Moreover, natural hazards like radioactivity and NPCs aren’t here to hurt you and it has the simplest puzzles overall. There is more high-level loot in this location in addition to the Blue Keycard so players are rewarded extremely for their adventure.

The type of Harbor doesn’t make a difference as both are similar in rewards and difficulty. If you want a safe option, buying from Outpost is the easiest method, but it requires 100 Scraps.

Verdict

Blue Keycards are essential for progressing in Rust. Whether you get them from monument puzzles, buying at Outpost, or fishing, knowing where to find them will improve your loot runs. The Harbors are the best monument, but if you want a quick keycard, Outpost offers an easy solution. No matter which method you choose, mastering Blue Keycards will put you ahead of the competition in Rust.

Daniyal Khan
Daniyal Khan

Updated: Mar 7, 2025 13:04

I’ve been gaming since before I could properly tie my shoes, which might explain why I can nail a mid-lane gank in Dota 2 but still trip over shoelaces on occasion. With over 12,000 hours in Dota 2, I’ve probably spent more time defending the Ancient than I have doing anything remotely “productive,” unless you count explaining to my team why “mid or feed” is a valid strategy. When I’m not casting spells or clashing swords in Assassin’s Creed (I like to think I’d make a decent assassin in another life), I’m likely trying to save my team in Fortnite or squeeze in a quick game of Padel to balance out all those hours in front of a screen. Writing about video games was a natural career choice—someone had to make sure Dota players got some representation, after all. Over the past decade, I’ve cranked out close to 10,000 articles for some of the biggest names in gaming journalism, covering everything from meta shake-ups to the eternal mystery of why my support always forgets to buy wards. When I’m not typing, playing, or yelling at my screen, I’m usually watching anime and dreaming of a life where respawns are real.