Bewildering
/bɪˈwɪldəɹɪŋ/
verb
To confuse, disorientate, or puzzle someone, especially with many different choices.
“All the different possible options may bewilder us.”
Synonyms: befuddle
adjective
Very confusing, perplexing, or baffling, often due to a very large choice being available.
“There was a bewildering collection of curiosities filling the room.”