Meet "Li'l Chew Chew"—a razor-toothed BLU payload designed to messily devour any merc dumb enough to blunder in front of its path through this single-stage payload map. Eat your way past RED's defenses astride a gleaming metal death machine, powered by the blood of your enemies, and also gasoline (mostly gasoline, to be honest).
Frontier is a single-stage Payload map with 4 control points added in the Community Map Pack Update. It is oriented towards organizing pushes around the cart's movement to benefit from its significant protection instead of suppressing the RED team, because the layout of terrain is highly favorable towards the RED team. The crowning feature of Frontier is its custom cart, "Li'l Chew-Chew".
Li'l Chew Chew
In place of the standard BLU cart is a substantially larger mechanized train engine known as Li'l Chew-Chew. It has razor-sharp teeth and two headlights as eyes, and a rideable platform on the back. It is impossible to build buildings on the rideable platform.
Providing cover from frontal attacks, Li'l Chew Chew is capable of significantly damaging any player in its mouth when it is moving forwards. The damage done increases as more players ride its rear platform; three or more attackers cause the train to deal an instant-kill. The platform also has a built-in BLU Dispenser; however, those riding on it will have trouble seeing directly in front of the cart, as the main body of the train is in the way. It has a noticeably increased pushing range when compared to normal carts.
Control Point 1
- Control Point: Control Point 1 sits in an area surrounded by high cliffs and buildings just in front of RED's starting spawn area.
- Shack: A small, two-level building to the right of the BLU base. It has a small balcony that a Sentry Gun can be placed on to give a good area of fire over the top of the Payload cart.
- Cave: The cave sits directly across from the Shack in front of the BLU base. It too has a small balcony that a Sentry Gun can be placed on to give a good area of fire directly at the Payload cart and at the main exit point of the BLU base. However, this spot is more exposed than the Sentry Gun spot on the Shack.
Control Point 2
- Control Point: Control Point 2 is at the top of a large hill inside of a warehouse-like building.
- Rock Wall: A rock wall separates the second cap point from a small warehouse through which the BLU team may travel.
- Mesa: The Mesa is a small elevated feature at the bottom of the hill offering the RED team a path to areas further up the hill and to the warehouse control point 2 sits on.
Control Point 3
When this point is captured, two giant doors at the final pit slide open, revealing a satellite dish pointed at the sky.
- Control Point: Control Point 3 sits between a building and a plateau.
- Rock Plateau: A rock plateau comes right before the third cap and is ideal for the RED team to place Sentry Guns. There is even one rock spire with a Medium Ammo box and Small Health kit, allowing a skilled Engineer to place a high Sentry Gun out of sapping range.
- Tunnel: A tunnel near the Rock Plateau, which can be used as a choke point. Walkways along the top ends can be good areas to apply defense against the Payload cart from above.
Control Point 4
- Control Point: Control Point 4 sits above a large open pit with a satellite dish at the bottom of it.
- RED Final Spawn: The RED team's final spawn area is located on either side of the point, connected by a catwalk.
- After the Payload has been delivered and the round has ended, the timer on the cart will still continue to drop.
- If a RED player is standing in the open door of BLU's second spawn point when the round ends, they will be instantly teleported across the map into the third spawn point.
- If a BLU player pushes the cart, but not enough to get it out of the spawn room, and the cart retreats, the platform will stop when it gets to the beginning, but Li'l Chew Chew will keep going until it reached the same stopping point as the platform, resulting in Li'l Chew Chew clipping through over half of the platform. It will return to normal when a new round starts.
- Snipers can fire through a window frame near the final control point.
- Li'l Chew Chew can be glitched so the platform that it is towing will be far behind the actual engine, which allows the BLU team to have a significant advantage as the cart will be farther ahead than where the platform is. It also may have a model glitch, getting inside the ground and preventing RED team players from seeing the engine, which still has a functioning deathbox.
- Teleporter entrances can also be built in one of RED's final spawn rooms, due to a lack of the entity func_respawnroom around a Resupply cabinet.
- RED Engineers can build a teleporter exit on the border of the entrance to BLU's first spawn, allowing RED entry if a BLU team member does a partner or group taunt.
- When the final point is capped, any BLU team members who were set to respawn at that time will appear in RED's final spawn room, instead of BLU's intended final spawn room.
- Players can camp RED team's second spawn (BLU's 3rd) by using sticky bombs and firing at the top of a wall where the invisible walls cause the bombs to fall into the spawn area.
- The stairwell directly ahead of the second control point can be bugged if a RED is standing behind the door, keeping it open while the second control point is capped. If the door is successfully bugged the door will shut instead of opening and it will not open again during the round, essentially blocking the route.
- Building a Teleport Exit just under the edge wooden stairs just past the third control point can result in a trap for players using the teleporter that can be escaped on by dying.
- Building a Teleport Exit very closely in a corner of the building left of RED's first spawn will trap players.
- It is possible to build buildings as Engineer in the pit at the last point before the third point is capped. Any teleporter exits built there will result in a tele-trap and a Dispenser or Sentry Gun can be stood on.
- The computer screen on Li'l Chew Chew bears the message: "Lil' Chew Chew v2.2 I've not been programmed for Regret <3 <3".
- The ticker tape below reads: "Lil' ChewChew OS 2.5 start up, Running System Check, Armor 100% ready, Vacuum Tubes 100% ready, Jaws 100% ready, Engines 100% ready, initializing vacuum tube logic --- Loading Chew-Chew personality, Debugging complete, Chew-Chew personality 100% ready, Maggot removal imminent, operational!!!".
- The official announcement writes the cart's name as "Li'l Chew Chew", but the display on the computer screen reads "Lil' Chew Chew".
The incline up to 2nd BLU Spawn and control point 2.
Final BLU rollout between control points 2 and 3.
Final RED spawn and Final control point.
The screen on Li'l Chew Chew.
The Platform for Li'l Chew Chew.
An example of Li'l Chew Chew being detached from its platform.