What game came out in 2021 in early access on the Steam store that featured world building like Minecraft and became an instant hit?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q50423863', 'id': 0, 'label': 'copyrighted'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q337535', 'id': 1, 'label': 'Steam'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q49740', 'id': 2, 'label': 'Minecraft'}, {'type': 'INTERNAL', 'name_': 'Q85214868', 'id': 3, 'label': 'WorldEdit'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q940526', 'id': 4, 'label': 'Lightweight Java Game Library'}], 'links': [{'name_': 'P6216', 'source': 1, 'target': 0, 'label': 'copyright status'}, {'name_': 'P6216', 'source': 3, 'target': 0, 'label': 'copyright status'}, {'name_': 'P7075', 'source': 3, 'target': 2, 'label': 'mod of'}, {'name_': 'P408', 'source': 3, 'target': 4, 'label': 'software engine'}, {'name_': 'P6216', 'source': 4, 'target': 0, 'label': 'copyright status'}]}