7 years ago Cities: Skylines was released and to celebrate we have a little something for you! Check out what's included below.

Cities: Skylines base game:

• New Chirper Balloon Tours building
• New Chirper Hot Air Balloon
• New birthday-related Chirper hat
• New birthday-related chirps

Airports expansion:

• Fixed: Blimp & Helicopter stops "jitter" when attempting to place them
• Fixed: Wrong trucks spawning from garbage facilities & prisons
• Fixed: Medical Laboratory has vehicle selector
• Fixed: Large Cargo Airport Road railway crossing sign facing the wrong way
• Fixed: Large Cargo Airport Road missing 6th lane
• Fixed: Airports achievements unlock with mods enabled
• Fixed: Wrong asset names in multiple languages
• Fixed: Overflowing text in multiple languages
• Fixed: Incorrect Attractiveness value and cost for "Hotel Discounts" policy in multiple languages
• Fixed: Simplified Chinese Steam achievement has an extra 0 in the description