Unable to answer "On which level number is this place located?" – Arena Filmcity (Cinema) – node/672873622 via StreetComplete 62.2:

The entrance is at ground level. The venue onside comprises one underground level, the ground level and one additional level.

Unable to answer "Is this still here?" – on level 0: Credit Suisse (ATM) – node/9050453587 via StreetComplete 62.2:

There is an ATM, but Credit Suisse has been absorbed by and is now UBS.

Unable to answer "Is this still here?" – La Lup (Asian Restaurant) – node/9844600412 via StreetComplete 62.2:

It's now "La Lup'" and not Asian anymore.

Unable to answer "How many levels above the basement does this building have?" – house number 4: Apartment Building – way/43764512 via StreetComplete 62.2:

This building has been demolished and a new construction site is underway.

Unable to answer "What type of shop is this?" – mtek (Shop (Unspecified Type)) – node/4425992675 via StreetComplete 62.1:

Construction site.

Unable to answer "What kind of building is this?" for way/830360461 via StreetComplete 42.0:

This is a roofed staircase and ventilation shaft to access the underground parking lot.

Attached photo(s):
https://westnordost.de/p/98473.jpg

There is a barrier and access control here.

via StreetComplete 42.0

Unable to answer "Do you have to pay to use this restroom?" for node/1460581309 via StreetComplete 42.0:

Toilets and showers are the included in the entrance fee to the lagoon area.

Unable to answer "What kind of parking is this?" for node/469264262 via StreetComplete 42.0:

There is no parking place here currently. Parking is possible east of the building to the southeast.