Started out on ENGM TWR, which was rather calm. Spent my break on ENVA APP where we got a good amount of traffic departing northbound.
One concern that appeared was some wrong routing from non-event airports. This could probably be a bit more clear in our briefing. The middle and last part of the event i was a noob NISSE, but this worked out pretty well overall. Would have tried to solve more of the wrong routings if time allowed for it. The FSS MAP was great for catching these!
Some shuffling of people that took some time. The staffing sheet was quite cumbersome to work with, so would be interesting to look at the other solution available for staffing to hopefully make this easier.
Updating the slots via VATCAN was OK. Ideally another option which doesn't require uploading the file would be nice, for examply by having a multiline text field on the page for adding and submitting new lines.
Traffic inbound ENTC seemed to become a bit congested with several holdings later on. Was a bit hard to predict this. Should be have enforced release, or put in place some ECFMP flows? (Did not get access to this before the event, and still don't have it tho.)
Coordination with Sweden worked out very well.
Would be really cool to have some streaming on Twitch/YouTube from Polaris as well.
Overall a great and fun event though. 10/10, would NISSE again.