Inferno Apartments, usually shortened to Apps, is a building route that leads Ts toward A site. It starts near Second Mid and ends at a Balcony above the Pit area of A. Because it is narrow and full of corners, it creates some of the tightest fights on the map.
For a full list of names, see our Inferno callouts guide. This page focuses only on Apartments.
How Inferno Apartments is laid out
Apartments has a T side and a CT side. The main parts are:
| Callout | Where it is | Why it matters |
|---|---|---|
| T Apartments | Beside Second Mid | Where Ts enter the building |
| Stairs | Links Second Mid to the Apartments | A tight choke that CTs can contest |
| CT Apartments | The main apartment block | The final hallway before A |
| Boiler | Doorway from CT Apartments to Top Mid | Side link toward A Short |
| Balcony | Above Pit on A site | The exit onto A |
There is also a separate T-side balcony overlooking Second Mid. Say "A Balcony" or "Second Mid Balcony" so your team knows which one you mean.
Why does Apartments matter?
A site on Inferno can be hit from several directions: Mid, Short, Long and Apartments. Apps gives Ts a high route onto the site. A T on Balcony can shoot down into Pit and across A. That puts pressure on CTs who are already busy with Short or Long.
For CTs, Apps is a place to gather information. Hearing footsteps on the stairs is often the first sign of an A hit. Good footstep awareness is very useful here.
How Ts take Inferno Apartments
Ts normally take Apps as part of an A split. A simple method:
- Move in pairs. The building is full of close corners. A teammate behind you can trade the first contact.
- Flash the corners. Pop-flashes work well here because fights are close.
- Clear Boiler. A CT there can shoot into the hallway or link with Short.
- Wait at the Balcony exit. Don't exit alone. Time it with the Mid, Short or Long groups.
When Ts exit Apps onto Balcony, they usually need help on Pit and the site. A smoke or flash from another group helps a lot. Our entry fragger guide explains how to lead a hit like this.
How CTs defend Apartments
CTs have two main approaches.
Contest early
A CT can push into Apps early to catch Ts on the stairs or in the hallway. This gives information and can win a kill. It also carries risk, because the CT may face two Ts alone. Only do this with a plan to fall back or a teammate nearby.
Hold the exit
A more passive CT watches the Balcony exit from the A side. Ts must step out to attack the site. A molotov thrown into the hallway or on Balcony can delay them for many seconds. That gives rotating CTs time to arrive.
Our Inferno CT side guide shows how Apps fits with Banana and B site defence.
Utility in Inferno Apartments
Because Apps is narrow, utility is very strong here.
- Molotovs and incendiaries. Both sides use them to block the hallway or deny the Balcony.
- Flashes. Short, close flashes help Ts clear corners and help CTs push.
- HE grenades. Can damage players stacked in the hallway.
Exact grenade lineups depend on your starting spot. Practise them with a lineup tool or video in a private server. Our utility basics guide covers how each grenade works.
Common Apartments mistakes
- Ts entering one at a time. CTs can win each fight separately.
- CTs pushing too deep alone. A lost duel leaves A short a player.
- Ignoring Boiler. It is easy to forget and can catch Ts from the side.
- Exiting Balcony too early. Wait for teammates so CTs face more than one threat.
Sources and checks
Callouts and connections were checked on 1 November 2026 against TotalCSGO's Inferno callouts. Map updates can change details, so check in game.
Frequently asked questions
What is Apps on Inferno?
Apps is short for Apartments. It is a building route from the Second Mid side to a Balcony above A site.
Where is Boiler on Inferno?
Boiler is a doorway from CT Apartments toward Top Mid, slightly toward A Short.
Should CTs push Apartments?
Sometimes. An early push can win information and kills, but it is risky alone. Mix pushes with passive holds and utility.
