Like games in the dome

• Rainy-day play place
• Place to go when it rains
• Out of the rain
• With a roof over one's head?
• Playing video games, say
• Where smoking jackets are worn

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Indoors \In"doors`\, adv. Within the house; -- sometimes separated, in doors .

Wiktionary Word definitions in Wiktionary
adv. In or into a building.

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
adverb COLLOCATIONS FROM CORPUS ■ VERB go ▪ He went indoors , nodding at her, but did not smile. ▪ Getting no response, he went indoors with one of the three young men. ▪ And then Otto went indoors to the piano and played a few bars of Debussy to illustrate ...

Wikipedia Word definitions in Wikipedia